Search: id:A005261 Results 1-1 of 1 results found. %I A005261 M2156 %S A005261 1,2,34,488,9826,206252,4734304,113245568,2816649826,72001228052, %T A005261 1883210876284,50168588906768,1357245464138656,37198352117916992, %U A005261 1030920212982957184,28847760730478655488,814066783370083977826 %N A005261 Sum C(n,k)^5, k = 0 . . n. %D A005261 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A005261 C. Elsner, On recurrence formulae for sums involving binomial coefficients, Fib. Q., 43 (No. 1, 2005), 31-45. %H A005261 Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics. %F A005261 a(n) ~ 4*5^(-1/2)*pi^-2*n^-2*2^(5*n) - Joe Keane (jgk(AT)jgk.org), Jun 21 2002 %Y A005261 Sequence in context: A136362 A098531 A092408 this_sequence A104898 A071799 A098704 %Y A005261 Adjacent sequences: A005258 A005259 A005260 this_sequence A005262 A005263 A005264 %K A005261 nonn %O A005261 0,2 %A A005261 N. J. A. Sloane (njas(AT)research.att.com). %E A005261 More terms from Matthew Conroy (list1(AT)madandmoonly.com), Mar 16 2006 Search completed in 0.001 seconds