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 A027645 Numerators of poly-Bernoulli numbers B_n^(k) with k=3. 2
 1, 1, -11, -1, 1243, -49, -75613, 599, 234671, -803, -4955857, 53443, 921931911863, -449291, -23461249769, 1237447, 917870505450709, -82659252107, -959539811053709101, 145633840717, 20593004175300735901, -12278015226517 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..443 K. Imatomi, M. Kaneko, E. Takeda, Multi-Poly-Bernoulli Numbers and Finite Multiple Zeta Values, J. Int. Seq. 17 (2014) # 14.4.5 M. Kaneko, Poly-Bernoulli numbers Masanobu Kaneko, Poly-Bernoulli numbers, Journal de thÃ©orie des nombres de Bordeaux, 9 no. 1 (1997), Pages 221-228. MAPLE (-1)^n*sum( (-1)^'m'*'m'!*stirling2(n, 'm')/('m'+1)^k, 'm'=0..n); CROSSREFS Cf. A027646. Sequence in context: A290860 A284232 A204848 * A193925 A010190 A323454 Adjacent sequences:  A027642 A027643 A027644 * A027646 A027647 A027648 KEYWORD sign,frac AUTHOR STATUS approved

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Last modified January 16 21:37 EST 2019. Contains 319206 sequences. (Running on oeis4.)