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Denominators of Blandin-Diaz compositional Bernoulli numbers (B^Z^(3))_1,n.
3

%I #10 Jan 24 2024 10:22:51

%S 1,12,56,64,31360,50176,33116160,264929280

%N Denominators of Blandin-Diaz compositional Bernoulli numbers (B^Z^(3))_1,n.

%H Hector Blandin and Rafael Diaz, <a href="https://arxiv.org/abs/0708.0809">Compositional Bernoulli numbers</a>, arXiv:0708.0809 [math.CO], 2007-2008, p. 9, 3rd table.

%e 60, -15/12, 9/56, 3/64, 401/31360, 127/50176, -9089/33116160, -192233/264929280.

%Y Numerators are A133000.

%Y Cf. A132092-A132099.

%K frac,more,nonn

%O 0,2

%A _Jonathan Vos Post_, Aug 09 2007