This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A283924 Denominators of poly-Bernoulli numbers B_n^(k) with k=6. 2
 1, 64, 46656, 497664, 11664000000, 518400000, 274451587200000, 41821194240000, 63515938752000000, 403275801600000, 3750745332381062400000, 8659729483130880000, 115208108444831203593792000000, 60895775359471852800000, 189903475458512972956800000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..479 Wikipedia, Poly-Bernoulli number EXAMPLE B_0^(6) = 1, B_1^(6) = 1/64, B_2^(6) = -601/46656, B_3^(6) = 4409/497664, ... MATHEMATICA B[n_]:= Sum[((-1)^(m + n))*m!*StirlingS2[n, m] * (m + 1)^(-6), {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)^(-6)); for(n=0, 15, print1(denominator(B(n)), ", ")) \\ Indranil Ghosh, Mar 18 2017 CROSSREFS Cf. A283923. Sequence in context: A159400 A221615 A141092 * A016830 A249076 A103346 Adjacent sequences:  A283921 A283922 A283923 * A283925 A283926 A283927 KEYWORD nonn,frac AUTHOR Seiichi Manyama, Mar 18 2017 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 19 22:14 EDT 2019. Contains 325168 sequences. (Running on oeis4.)