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Search: id:A063726
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| A063726 |
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GCD[1 + Fibonacci(n+1), 1 + Fibonacci(n)]. |
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+0
1
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| 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)
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OFFSET
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0,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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PROGRAM
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(PARI) j=[]; for(n=0, 75, j=concat(j, gcd(1+fibonacci(n+1), 1+fibonacci(n) ))); j
(PARI) { g=0; f=1; for (n=0, 1000, write("b063726.txt", n, " ", gcd(1 + f, 1 + g)); h=g; g=f; f+=h ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 28 2009]
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CROSSREFS
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Sequence in context: A140191 A048207 A105810 this_sequence A112757 A118492 A079246
Adjacent sequences: A063723 A063724 A063725 this_sequence A063727 A063728 A063729
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Aug 11 2001
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