Search: id:A037235
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%I A037235
%S A037235 0,1,4,13,32,65,116,189,288,417,580,781,1024,1313,1652,2045,2496,3009,
               3588,
%T A037235 4237,4960,5761,6644,7613,8672,9825,11076,12429,13888,15457,17140,18941,
%U A037235 20864,22913,25092,27405,29856,32449,35188,38077,41120,44321,47684,51213
%N A037235 n*(2*n^2-3*n+4)/3.
%D A037235 T. A. Gulliver, Sequences from Arrays of Integers, Int. Math. Journal, 
               Vol. 1, No. 4, pp. 323-332, 2002.
%F A037235 G.f.: x*(1+3*x^2)/(1-x)^4.
%F A037235 An alternative formula for this sequence is Sum(2*k^2+1), k=0..(n-1)) 
               This can be confirmed with Maple/Mathematica. - Mike Warburton (mikewarb(AT)gmail.com), 
               Sep 08 2007
%F A037235 Row sums of triangle A134249. Also, binomial transform of (1, 3, 6, 4, 
               0, 0, 0,...). - Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 15 2007
%Y A037235 Cf. A134249.
%Y A037235 Sequence in context: A026567 A036487 A011936 this_sequence A051912 A060099 
               A036420
%Y A037235 Adjacent sequences: A037232 A037233 A037234 this_sequence A037236 A037237 
               A037238
%K A037235 nonn
%O A037235 0,3
%A A037235 N. J. A. Sloane (njas(AT)research.att.com).

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