%I A033486
%S A033486 0,12,60,180,420,840,1512,2520,3960,5940,8580,12012,16380,
%T A033486 21840,28560,36720,46512,58140,71820,87780,106260,127512,
%U A033486 151800,179400,210600,245700,285012,328860,377580,431520
%N A033486 n*(n+1)*(n+2)*(n+3)/2.
%p A033486 [seq(12*binomial(n,4),n=3..32)]; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Nov 24 2006
%p A033486 a:=n->add(binomial(n,2)+add(binomial(n,2), j=0..n),j=0..n):seq(a(n), 
               n=1..30); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 
               26 2008]
%Y A033486 Cf. A000332, A034827, A050534, A033488, A033487, A060008.
%Y A033486 Sequence in context: A153792 A000141 A008530 this_sequence A112415 A061624 
               A004302
%Y A033486 Adjacent sequences: A033483 A033484 A033485 this_sequence A033487 A033488 
               A033489
%K A033486 nonn
%O A033486 0,2
%A A033486 N. J. A. Sloane (njas(AT)research.att.com).