A132099 Denominators of Blandin-Diaz compositional Bernoulli numbers (B^Z^2)_1,n.

1, 8, 432, 144, 324000, 64800, 16669800

Offset

0,2

Links

Table of n, a(n) for n=0..6.

Hector Blandin and Rafael Diaz, Compositional Bernoulli numbers, arXiv:0708.0809 [math.CO], 2007-2008, p. 9, 2nd table.

Example

1, -1/8, 11/432, 1/144, -217/324000, -157/64800, -21503/16669800.

Crossrefs

Numerators are A132098.

Cf. A132092-A132097.

Sequence in context: A038782 A209821 A024110 * A186419 A371560 A007701

Adjacent sequences: A132096 A132097 A132098 * A132100 A132101 A132102

Keyword

frac,more,nonn

Author

Jonathan Vos Post, Aug 09 2007

Status

approved