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Challenge #475: The Collatz Conjecture

Kenda
16 - Nebula
16 - Nebula
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image.png

image.png
phottovy
13 - Pulsar
13 - Pulsar

How I feel working on challenges like this one:

7TgwLR

 

My solution:

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475_1.png

Macro:
475_2.png

 

ahsanaali
11 - Bolide
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475.png

475 Batch Macro.png

475 Iterative Macro.png

balajilolla2
10 - Fireball
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Solution Attached

Screenshot 2025-05-05 123454.pngScreenshot 2025-05-05 123444.png
alineruizcampos
8 - Asteroid
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Screenshot 2025-05-06 100528.pngScreenshot 2025-05-06 100535.png
wbasuki
8 - Asteroid

My Solution

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Screenshot 2025-05-06 084741.png
wbasuki
8 - Asteroid

My Update solution, the formula I have used in the macro before was wrong.

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Screenshot 2025-05-06 100129.png
Yoshiro_Fujimori
15 - Aurora
15 - Aurora

My solution.

 

Just from curiosity, I checked the sequence of the numbers for the max steps.

 

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Workflow
Challenge475_workflow.png
Macro
Challenge475_macro.png
Max steps : "261"
Max number in the sequence : "975400" which appears at the "78"th step.
Challenge475_result.png
Actual sequence: 
{6171,18514,9257,27772,13886,6943,20830,10415,31246,15623,46870,23435,70306,35153,105460,52730,26365,79096,39548,19774,9887,29662,14831,44494,22247,66742,33371,100114,50057,150172,75086,37543,112630,56315,168946,84473,253420,126710,63355,190066,95033,285100,142550,71275,213826,106913,320740,160370,80185,240556,120278,60139,180418,90209,270628,135314,67657,202972,101486,50743,152230,76115,228346,114173,342520,171260,85630,42815,128446,64223,192670,96335,289006,144503,433510,216755,650266,325133,975400,487700,243850,121925,365776,182888,91444,45722,22861,68584,34292,17146,8573,25720,12860,6430,3215,9646,4823,14470,7235,21706,10853,32560,16280,8140,4070,2035,6106,3053,9160,4580,2290,1145,3436,1718,859,2578,1289,3868,1934,967,2902,1451,4354,2177,6532,3266,1633,4900,2450,1225,3676,1838,919,2758,1379,4138,2069,6208,3104,1552,776,388,194,97,292,146,73,220,110,55,166,83,250,125,376,188,94,47,142,71,214,107,322,161,484,242,121,364,182,91,274,137,412,206,103,310,155,466,233,700,350,175,526,263,790,395,1186,593,1780,890,445,1336,668,334,167,502,251,754,377,1132,566,283,850,425,1276,638,319,958,479,1438,719,2158,1079,3238,1619,4858,2429,7288,3644,1822,911,2734,1367,4102,2051,6154,3077,9232,4616,2308,1154,577,1732,866,433,1300,650,325,976,488,244,122,61,184,92,46,23,70,35,106,53,160,80,40,20,10,5,16,8,4,2,1}

 

 

Qiu
21 - Polaris
21 - Polaris

Done

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Challenge475-A.jpgChallenge475-B.jpg
Bobbyt23
12 - Quasar

Fun iterative macro to practise on!

 

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