A057816 If a(n) = 0 mod 3 then a(n+1)=a(n)/3 otherwise a(n+1)=4*a(n)+-1 where sign is chosen to give a multiple of 3.

43, 171, 57, 19, 75, 25, 99, 33, 11, 45, 15, 5, 21, 7, 27, 9, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1

Offset

1,1

Links

Table of n, a(n) for n=1..98.

Crossrefs

Sequence in context: A140640 A083357 A158604 * A162295 A187722 A158628

Adjacent sequences: A057813 A057814 A057815 * A057817 A057818 A057819

Keyword

nonn

Author

Louis DeBiasio (toastyfrsh(AT)aol.com), Nov 06 2000

Status

approved