References to A011874

[ n(n-1)/21 ].
0, 0, 0, 0, 0, 0, 1, 2, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 33

1 seqfan posts

Tue Jan 20 16:25:57 CET 2009    [seqfan] A011784 formatting issue
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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