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A051718
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Numerators of column 2 of table described in A051714/A051715.
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4
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1, 1, 3, 1, -3, -1, 1, 1, 1, -5, -1017, 691, 601, -7, -809, 3617, 922191, -43867, -6132631, 174611, 12988703, -854513, -1552922421, 236364091, 1139644561, -8553103, -7089687053, 23749461029, 378639019356093, -8615841276005
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..29.
M. Kaneko, The Akiyama-Tanigawa algorithm for Bernoulli numbers, J. Integer Sequences, 3 (2000), #00.2.9.
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MATHEMATICA
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nmax = 29; a[0, k_] := 1/(k + 1); a[n_, k_] := a[n, k] = (k + 1)*(a[n - 1, k] - a[n - 1, k + 1]); Table[a[n, k], {n, 0, nmax}, {k, 0, nmax}] [[All, 3]] // Numerator (* Jean-François Alcover, Oct 08 2012 *)
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CROSSREFS
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Cf. A051719.
Sequence in context: A175623 A121273 A063065 * A016472 A095346 A060839
Adjacent sequences: A051715 A051716 A051717 * A051719 A051720 A051721
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KEYWORD
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sign,easy,nice
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms from James A. Sellers, Dec 08 1999
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STATUS
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approved
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