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A051719 Denominators of column 2 of table described in A051714/A051715. 4
3, 4, 20, 20, 140, 28, 140, 20, 220, 44, 20020, 1820, 1820, 4, 340, 340, 45220, 532, 29260, 220, 5060, 92, 41860, 1820, 1820, 4, 580, 580, 1384460, 9548, 811580, 340, 340, 4, 1279460, 1279460, 1279460, 4, 9020, 9020, 2715020, 1204, 138460, 460 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..1000

M. Kaneko, The Akiyama-Tanigawa algorithm for Bernoulli numbers, J. Integer Sequences, 3 (2000), #00.2.9.

MATHEMATICA

nmax = 43; 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]] // Denominator (* Jean-François Alcover, Oct 08 2012 *)

CROSSREFS

Cf. A051718.

Sequence in context: A256605 A237884 A256532 * A240970 A047165 A124631

Adjacent sequences:  A051716 A051717 A051718 * A051720 A051721 A051722

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from James A. Sellers, Dec 08 1999

STATUS

approved

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Last modified January 29 04:46 EST 2020. Contains 331335 sequences. (Running on oeis4.)