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A175291
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Pisano period length of A006130 modulo n.
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1
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1, 3, 1, 6, 24, 3, 24, 6, 3, 24, 120, 6, 156, 24, 24, 12, 16, 3, 90, 24, 24, 120, 22, 6, 120, 156, 9, 24, 28, 24, 240, 24, 120, 48, 24, 6, 171, 90, 156, 24, 336, 24, 42, 120, 24, 66, 736, 12, 168, 120, 16, 156, 52, 9, 120, 24, 90, 84, 3480, 24, 20, 240, 24, 48, 312, 120, 748, 48, 22, 24, 5040, 6, 888, 171, 120, 90, 120, 156, 39
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listen;
history;
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..79.
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EXAMPLE
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Reading 0, 1, 1, 4, 7, 19, 40, 97, 217, 508, 1159, 2683, 6160, 14209 .. modulo n=7 gives 0, 1, 1, 4, 0, 5, 5, 6, 0, 4, 4, 2, 0, 6, 6, 3, 0, 2, 2, 1, 0, 3, 3, 5, 0, 1, 1, 4, 0, 5, 5, 6, 0, 4, 4, 2, 0, 6, 6, 3, 0.. with period length a(n=7)=24.
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CROSSREFS
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Cf. A001175, A046738, A175181 - A175185, A175286.
Sequence in context: A221693 A271969 A351106 * A156363 A221929 A283432
Adjacent sequences: A175288 A175289 A175290 * A175292 A175293 A175294
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KEYWORD
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nonn
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AUTHOR
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R. J. Mathar, Mar 24 2010
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EXTENSIONS
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a(9) corrected by R. J. Mathar, Apr 18 2010
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STATUS
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approved
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