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 A191493 Binomial row sums of triangle A191490. 2
 1, 2, 7, 36, 245, 2071, 20813, 241344, 3161473, 46056783, 737269244, 12845501191, 241719339485, 4881205089541, 105209993413879, 2409362123140160, 58389484394798549, 1492265790284314961, 40096619357257356256, 1129638216589178869291 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..64 MATHEMATICA f[n_, k_] := f[n, k] = f[n - 1, k] + (n - 1)f[n - 1, k - 1] + If[n == k, 1, 0] f[_, 0] = 1; f[0, _] = 0; Table[Sum[Binomial[n, k]f[n, k], {k, 0, n}], {n, 0, 100}] PROG (Maxima) P[0]:1\$ P[n]:=(1+(n-1)*q)*P[n-1]+q^n\$ makelist(sum(binomial(n, k)*coeff(expand(P[n]), q^k), k, 0, n), n, 0, 24); CROSSREFS Cf. A191490. Sequence in context: A088313 A201197 A185754 * A095793 A029768 A180271 Adjacent sequences: A191490 A191491 A191492 * A191494 A191495 A191496 KEYWORD nonn AUTHOR Emanuele Munarini, Jun 03 2011 STATUS approved

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Last modified February 7 02:36 EST 2023. Contains 360111 sequences. (Running on oeis4.)