(12*n^4+10*n^3-9*n^2-7*n)/6.
0, 1, 37, 190, 590, 1415, 2891, 5292, 8940, 14205, 21505, 31306, 44122, 60515
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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