a(n) = n*(n+1)/2 mod 2048.
0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210
3 seqfan posts
Tue Aug 31 15:35:55 CEST 2010 [seqfan] Re: Quadratics in the OEIS
Tue Aug 31 14:30:49 CEST 2010 [seqfan] Re: Quadratics in the OEIS
Tue Aug 31 06:55:07 CEST 2010 [seqfan] Quadratics in the OEIS
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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