References to A155121

2*n*(1+n+n^2+n^3)-3.
3, 5, 57, 237, 677, 1557, 3105, 5597, 9357, 14757, 22217, 32205, 45237, 61877

1 seqfan posts

Sun Nov 8 06:26:25 CET 2009    [seqfan] offset error in A155122 and others ?
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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