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Search: id:A000181
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| A000181 |
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Coefficients of menage hit polynomials.
(Formerly M2076 N0820)
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+0
3
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| 2, 15, 60, 469, 3660, 32958, 328920, 3614490, 43341822, 563144725, 7880897892, 118177520295, 1890389939000, 32130521850972, 578260307815920, 10985555094348948, 219687969344126490, 4613039009310624795, 101479234383619208204, 2333872309936442446905
(list; graph; listen)
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OFFSET
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4,1
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REFERENCES
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J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 197.
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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CROSSREFS
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A diagonal of A058087. Cf. A000179, A000425.
Sequence in context: A071237 A006470 A084169 this_sequence A047146 A084187 A119904
Adjacent sequences: A000178 A000179 A000180 this_sequence A000182 A000183 A000184
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)
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