References to A080478

a(n) = smallest k>a(n-1) such that k^2+a(n-1)^2 is prime, starting with a(1)=1. Square roots of A062067(n).
1, 2, 3, 8, 13, 20, 23, 30, 31, 44, 49, 74, 79, 80, 89, 96, 101, 104, 105, 116, 119, 124


3 seqfan posts

Sun Jun 24 22:19:36 CEST 2012    [seqfan] Re: A139361
Sun Jun 24 20:09:49 CEST 2012    [seqfan] Re: A139361
Sun Jun 24 19:22:24 CEST 2012    [seqfan] A139361

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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