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 A283926 Denominators of poly-Bernoulli numbers B_n^(k) with k=7. 2
 1, 128, 279936, 5971968, 699840000000, 93312000000, 115269666624000000, 35129803161600000, 160060165655040000000, 1016255020032000000, 103970660613603049728000000, 240047701272387993600000, 41516393959179372527058885120000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..407 Wikipedia, Poly-Bernoulli number EXAMPLE B_0^(7) = 1, B_1^(7) = 1/128, B_2^(7) = -1931/279936, B_3^(7) = 32459/5971968, ... MATHEMATICA B[n_]:= Sum[((-1)^(m + n))*m!*StirlingS2[n, m] * (m + 1)^(-7), {m, 0, n}]; Table[Denominator[B[n]], {n, 0, 15}] (* Indranil Ghosh, Mar 18 2017 *) PROG (PARI) B(n) = sum(m=0, n, ((-1)^(m + n)) * m! * stirling(n, m, 2) * (m + 1)^(-7)); for(n=0, 15, print1(numerator(B(n)), ", ")) \\ Indranil Ghosh, Mar 18 2017 CROSSREFS Cf. A027643-A027648, A283925. Sequence in context: A323541 A016795 A222054 * A016831 A103348 A069446 Adjacent sequences:  A283923 A283924 A283925 * A283927 A283928 A283929 KEYWORD nonn,frac AUTHOR Seiichi Manyama, Mar 18 2017 STATUS approved

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Last modified January 23 17:24 EST 2019. Contains 319399 sequences. (Running on oeis4.)