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A063726 GCD[1 + Fibonacci(n+1), 1 + Fibonacci(n)]. +0
1
1, 2, 1, 1, 2, 3, 1, 2, 1, 7, 2, 5, 1, 18, 1, 13, 2, 47, 1, 34, 1, 123, 2, 89, 1, 322, 1, 233, 2, 843, 1, 610, 1, 2207, 2, 1597, 1, 5778, 1, 4181, 2, 15127, 1, 10946, 1, 39603, 2, 28657, 1, 103682, 1, 75025, 2, 271443, 1, 196418, 1, 710647, 2, 514229, 1, 1860498, 1 (list; graph; listen)
OFFSET

0,2

PROGRAM

(PARI) j=[]; for(n=0, 75, j=concat(j, gcd(1+fibonacci(n+1), 1+fibonacci(n) ))); j

CROSSREFS

Sequence in context: A140191 A048207 A105810 this_sequence A112757 A118492 A079246

Adjacent sequences: A063723 A063724 A063725 this_sequence A063727 A063728 A063729

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Aug 11 2001

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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