Search: id:A004256
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%I A004256
%S A004256 0,3,32,150,480,1225,2688,5292,9600,16335,26400,40898,61152,
%T A004256 88725,125440,173400,235008,312987,410400,530670,677600,
%U A004256 855393,1068672,1322500,1622400,1974375,2384928,2861082
%N A004256 n^2*(n+1)*(n+2)^2/6.
%Y A004256 Equals (n+2) * A002417.
%Y A004256 Sequence in context: A114257 A107465 A119940 this_sequence A002059 A028447 
               A081012
%Y A004256 Adjacent sequences: A004253 A004254 A004255 this_sequence A004257 A004258 
               A004259
%K A004256 nonn
%O A004256 0,2
%A A004256 N. J. A. Sloane (njas(AT)research.att.com).

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