References to A130519

Sum {0<=k<=n, floor(k/4)} (Partial sums of A002265).
0, 0, 0, 0, 1, 2, 3, 4, 6, 8, 10, 12, 15, 18, 21, 24, 28, 32, 36, 40, 45, 50, 55, 60, 66, 72

2 seqfan posts

Sat Jul 11 18:09:06 CEST 2009    [seqfan] Re: Triplicate
Sat Jul 11 00:16:29 CEST 2009    [seqfan] Triplicate
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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