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Search: id:A097407
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A097407 (A097406(n)-1)/n (n<>6). +0
3
0, 1, 2, 1, 6, 0, 18, 2, 8, 1, 8, 1, 630, 3, 10, 16, 7710, 1, 27594, 2, 16, 31, 7760, 10, 72, 105, 9728, 4, 72, 11, 69273666, 2048, 18166, 1285, 3512, 3, 16657248, 4599, 3112, 1542, 4012472, 129, 48834, 48, 518, 60787, 282224, 14, 90462791808, 81, 218, 31 (list; graph; listen)
OFFSET

1,3

LINKS

S. S. Wagstaff, Jr., The Cunningham Project, Factorizations of 2^n-1, n odd, n<1200.

CROSSREFS

Cf. A097406, A005420.

Sequence in context: A110863 A091615 A078503 this_sequence A060480 A094673 A089808

Adjacent sequences: A097404 A097405 A097406 this_sequence A097408 A097409 A097410

KEYWORD

nonn

AUTHOR

Marco Matosic (marcomatosic(AT)hotmail.com), Aug 16 2004

EXTENSIONS

Edited by Vladeta Jovovic (vladeta(AT)Eunet.yu), Aug 26 2004

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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