Numbers n such that n^2 + 1 is prime.
1, 2, 4, 6, 10, 14, 16, 20, 24, 26, 36, 40, 54, 56, 66, 74, 84, 90, 94, 110, 116, 120, 124
2 seqfan posts
Sun Oct 25 18:07:28 CET 2009 [seqfan] Re: Brick sequences
Sat Oct 24 23:45:30 CEST 2009 [seqfan] Re: Brick sequences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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