Partial sums of ceiling(n^2/4).
0, 1, 2, 5, 9, 16, 25, 38, 54, 75, 100, 131, 167, 210, 259, 316, 380, 453, 534, 625, 725
2 seqfan posts
Mon Mar 22 15:14:07 CET 2010 [seqfan] Re: A175287: n = 3^k3 + 5^k5 + 7^k7
Mon Mar 22 11:59:50 CET 2010 [seqfan] A175287: n = 3^k3 + 5^k5 + 7^k7
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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