%I A100518
%S A100518 1,2,17,56,1759,1009,86831,2322304,85922,1144667,16019198113,123357293,
%T A100518 21312406359367,17061774340031,27741170437991,182851619022848,167169857863289,
%U A100518 9857517443932187,8844183281912559671,197147246106875452361,681198614358931646209
%N A100518 Numerator of Sum_{k=0..n} 1/C(n,k)^3.
%e A100518 1, 2, 17/8, 56/27, 1759/864, 1009/500, 86831/43200, 2322304/1157625, 
               85922/42875, 1144667/571536, 16019198113/8001504000, 123357293/61631955, 
               ... = A100518/A100519.
%Y A100518 Cf. A100516, A100517, A046825, A100519.
%Y A100518 Sequence in context: A141860 A105691 A125609 this_sequence A125200 A071402 
               A002430
%Y A100518 Adjacent sequences: A100515 A100516 A100517 this_sequence A100519 A100520 
               A100521
%K A100518 nonn,frac
%O A100518 0,2
%A A100518 N. J. A. Sloane (njas(AT)research.att.com), Nov 25 2004