A069162 a(1)=1, a(2)=2, a(n+2)=(a(n+1)+a(n))/2 if a(n+1)+a(n) is even, a(n+2)=(3*(a(n+1)+a(n))+1)/2 otherwise.

1, 2, 5, 11, 8, 29, 56, 128, 92, 110, 101, 317, 209, 263, 236, 749, 1478, 3341, 7229, 5285, 6257, 5771, 6014, 17678, 11846, 14762, 13304, 14033, 41006, 82559, 185348, 401861, 880814, 1924013, 4207241, 3065627, 3636434, 10053092, 6844763

Offset

1,2

Comments

A Collatz-Fibonacci mixture.

Does this sequence diverge to infinity?

Links

Table of n, a(n) for n=1..39.

Crossrefs

Sequence in context: A170868 A357588 A276736 * A300677 A079008 A144573

Adjacent sequences: A069159 A069160 A069161 * A069163 A069164 A069165

Keyword

nonn

Author

Benoit Cloitre, Apr 09 2002

Status

approved