Indices k such that 10 plus the k-th triangular number is a perfect square.
3, 5, 26, 36, 155, 213, 906, 1244, 5283, 7253, 30794, 42276, 179483, 246405
4 seqfan posts
Mon Nov 9 17:22:27 CET 2009 [seqfan] Re: (no subject)
Mon Nov 9 16:52:34 CET 2009 [seqfan] Re: (no subject)
Mon Nov 9 16:46:17 CET 2009 [seqfan] (no subject)
Mon Nov 9 16:42:16 CET 2009 [seqfan] (no subject)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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