(n+2)*(2*n^2-n+3)/6.
1, 2, 6, 15, 31, 56, 92, 141, 205, 286, 386, 507, 651, 820, 1016, 1241, 1497, 1786
5 seqfan posts
Wed Jun 29 20:52:14 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 18:48:11 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:27:34 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:25:44 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 06:26:53 CEST 2011 [seqfan] Formulas needed for new sequence.
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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