# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a261900 Showing 1-1 of 1 %I A261900 #10 Sep 06 2015 15:35:27 %S A261900 1,1,6,48,496,6251,92638,1574650,30150120,641425785,14999294310, %T A261900 382187185380,10535027302800,312263647871175,9901291024374750, %U A261900 334357521973224750,11978152435322073000,453670047374482063125,18110938144465399983750,759996114581823934815000 %N A261900 Values of |G-hat_3(n)|, a sum involving Stirling numbers of the second kind. %H A261900 Alois P. Heinz, Table of n, a(n) for n = 0..400 %H A261900 H. W. Gould, Harris Kwong, Jocelyn Quaintance, On Certain Sums of Stirling Numbers with Binomial Coefficients, J. Integer Sequences, 18 (2015), #15.9.6. %p A261900 a:= n-> (m-> abs(add((-1)^k*binomial(2*n+m, n-k) %p A261900 *combinat[stirling2](n+k, k), k=0..n)))(-3): %p A261900 seq(a(n), n=0..20); # _Alois P. Heinz_, Sep 06 2015 %K A261900 nonn %O A261900 0,3 %A A261900 _N. J. A. Sloane_, Sep 06 2015 %E A261900 More term from _Alois P. Heinz_, Sep 06 2015 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE