**Primes p such that 2 is a square mod p; or, primes congruent to {1, 2, 7} mod 8.**

*2, 7, 17, 23, 31, 41, 47, 71, 73, 79, 89, 97, 103, 113, 127, 137, 151, 167, 191, 193*

*1 seqfan posts*

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

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