35232domain: NAppears in sequencesSums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.at n=28A173719a(n) is the sum of quadratic nonresidues of A002145(n) (the n-th prime == 3 mod 4).at n=37A282036Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p.at n=18A282043