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A079506 Numbers n with gcd(2^n-1,fibonacci(n))>1 and not divisible by 2 or 11. Odd members of A074776 not divisible by 11. 3
261, 305, 333, 377, 525, 651, 753, 783, 895, 915, 999, 1131, 1305, 1475, 1525, 1575, 1665, 1827, 1885, 1953, 2135, 2235, 2259, 2265, 2283, 2319, 2331, 2349, 2515, 2601, 2625, 2639, 2685, 2743, 2745, 2867, 2921, 2975, 2997, 3255, 3393, 3549, 3675, 3765 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

Example: gcd(2^261-1,fibonacci(261))=2089 and 11 does not divide 261, so 261 is in sequence.

PROG

(PARI) for(k=1, 5000, if(gcd(2^k-1, fibonacci(k))>1, if(k%2, if(k%11, print1(k", ")))))

CROSSREFS

Cf. A074776.

Sequence in context: A045026 A131071 A131062 * A028527 A014569 A063364

Adjacent sequences:  A079503 A079504 A079505 * A079507 A079508 A079509

KEYWORD

nonn

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), Jan 21 2003

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Last modified February 14 16:05 EST 2012. Contains 205635 sequences.