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A001351
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Associated Mersenne numbers.
(Formerly M2217 N0879)
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1
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0, 1, 3, 1, 3, 11, 9, 8, 27, 37, 33, 67, 117, 131, 192, 341, 459, 613, 999, 1483, 2013, 3032, 4623, 6533, 9477, 14311, 20829, 30007, 44544, 65657, 95139, 139625, 206091
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history;
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OFFSET
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0,3
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REFERENCES
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C. B. Haselgrove, Associated Mersenne numbers, Eureka, 11 (1949), 19-22.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Table of n, a(n) for n=0..32.
_Simon Plouffe_, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
_Simon Plouffe_, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
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MAPLE
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A001351:=z*(z**2-z+1)*(z**2+3*z+1)/(z**3+z-1)/(z**3-z**2-1); [Conjectured by Simon Plouffe in his 1992 dissertation.]
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CROSSREFS
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Cf. A001350.
Sequence in context: A025238 A126970 A204134 * A216021 A173424 A143081
Adjacent sequences: A001348 A001349 A001350 * A001352 A001353 A001354
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, R. K. Guy
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STATUS
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approved
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