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A082530 a(1)=1, a(n)=5*a(n-1)+1 if a(n-1) is odd, a(n)=a(n-1)/2+1 otherwise. 0
1, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10, 6, 4, 3, 16, 9, 46, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Starting with a(1)=1 up to 60 sequence becomes periodic except perhaps for a(1)=17,23,32,35,41,44,53,55,59.

LINKS

Table of n, a(n) for n=1..80.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

FORMULA

For n>=2 sequence is 12-periodic with period (6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10).

MATHEMATICA

Join[{1}, LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {6, 4, 3, 16, 9, 46, 24, 13, 66, 34, 18, 10}, 79]] (* Ray Chandler, Aug 26 2015 *)

CROSSREFS

Sequence in context: A112148 A007258 A045488 * A099404 A095156 A198550

Adjacent sequences:  A082527 A082528 A082529 * A082531 A082532 A082533

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Apr 30 2003

STATUS

approved

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Last modified September 18 19:09 EDT 2021. Contains 347534 sequences. (Running on oeis4.)