4n+1.
1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93
2 seqfan posts
Wed Sep 1 16:19:27 CEST 2010 [seqfan] Re: zig-zag pseudoprimes
Wed Sep 1 12:54:33 CEST 2010 [seqfan] Re: zig-zag pseudoprimes
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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