A226614 -id:A226614 - cp's OEIS frontend

A226615 Length of the Collatz-like 3x+k cycle associated with A226614(n).

2, 3, 6, 4, 7, 5, 20, 11, 12, 28, 6, 38, 44, 48, 72, 18, 106, 29, 75, 7, 37, 14, 10, 42, 72, 66, 10, 68, 38, 58, 72, 8, 43, 110, 22, 33, 68, 29, 42, 71, 13, 46, 121, 28, 182, 200, 47, 9, 21, 60, 108, 28, 156, 19, 22, 85, 79, 151, 62, 56, 71, 60, 78, 226, 104, 192

Offset: 1

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Geoffrey H. Morley, Aug 02 2013

nonn

Geoffrey H. Morley, Table of n, a(n) for n = 1..10000
Index entries for sequences related to 3x+1 (or Collatz) problem

PARI
```
See A226614.
```

a(n) = A226609(A226612(floor(A226614(n)/3)+1)).

For n>227, this formula requires terms beyond A226609(10000).

cp's OEIS Frontend

A226615 Length of the Collatz-like 3x+k cycle associated with A226614(n).

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