Sum(mod(k*(n-k),n); k=1,2,..,n)
0, 1, 4, 6, 10, 17, 28, 36, 30, 45, 66, 82, 78, 105, 140, 136, 136, 141, 190, 230, 238
6 seqfan posts
Mon Nov 23 22:17:59 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Mon Nov 23 02:08:07 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Mon Nov 23 00:38:00 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Sun Nov 22 23:44:13 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Sun Nov 22 10:25:12 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Sat Nov 21 14:43:49 CET 2009 [seqfan] Re: Generally known (to those who know of such things)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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