n*(n+1)*(9*n^2-n-5)/6.
0, 1, 29, 146, 450, 1075, 2191, 4004, 6756, 10725, 16225, 23606, 33254, 45591
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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