(27n^4 + 22n^3 - 21n^2 - 16n)/12.
0, 1, 41, 212, 660, 1585, 3241, 5936, 10032, 15945, 24145, 35156, 49556, 67977
2 seqfan posts
Wed Mar 3 04:46:13 CET 2010 [seqfan] Re: A172043 and many more
Wed Mar 3 01:35:41 CET 2010 [seqfan] A172043 and many more
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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