Number of quadratic residues (mod p) in the interval [1,2k+1], for primes p=4k+3.
1, 2, 4, 6, 7, 9, 12, 14, 19, 18, 21, 22, 25, 28, 31, 34, 40, 39, 41, 42, 47, 52, 54, 54, 57
1 seqfan posts
Sat Feb 26 06:33:19 CET 2011 [seqfan] Re: A088144 and A076409 (esp the latter)