Primes of form n^2 + 1.
2, 5, 17, 37, 101, 197, 257, 401, 577, 677, 1297, 1601, 2917, 3137, 4357, 5477, 7057
2 seqfan posts
Thu Feb 12 20:38:26 CET 2009 [seqfan] Re: sequence A069987
Thu Feb 12 20:33:48 CET 2009 [seqfan] sequence A069987
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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