missing numbers

Fill in the missing numbers:

22,11,34,17,52,26,13,40 _ _ _ _ _ _ 2,1

20,15,10,5,2,2 20,11,5,15,7,4 20,10,5,16,8,4 20,10,5,16,6,4

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2 solutions

Collatz Sequence. Easy to spot.

Sudipta Das
Feb 12, 2015

When its a even number halve it and when its an odd number,triple it and add 1. Eg. 22÷2=11 , (11*3) +1 = 34. That's it folk's

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