A332666 Denominators of higher order Bernoulli numbers.

2, 4, 12, 24, 20, 24, 840, 16, 180, 840, 440, 720, 6552, 112, 240, 7392, 2380, 72, 207480, 560, 27720, 55440, 2576, 10080, 397800, 2288, 23760, 12768, 2320, 1440, 44684640, 45760, 6732, 985320, 1400, 4752, 1266665400, 304304, 28080, 30240, 2146760, 314160, 59915856, 160160, 7534800, 14305632

Offset

0,1

Links

Table of n, a(n) for n=0..45.

N. E. Nørlund, Vorlesungen über Differenzenrechnung, Springer, 1924, p. 461 and p. 147.

Mathematica

a[n_] := Integrate[Product[t - i, {i, 1, 2 n + 1}], {t, 0, 1}] // Denominator // Abs; a /@ Range[0, 45]

Crossrefs

Cf. A213447 (numerators).

Sequence in context: A052416 A059322 A163908 * A230481 A212169 A108720

Adjacent sequences: A332663 A332664 A332665 * A332667 A332668 A332669

Keyword

nonn,frac

Author

Vincenzo Librandi, Apr 06 2020

Status

approved