Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p.

Terms

a(0) =7a(1) =92a(2) =186a(3) =423a(4) =994a(5) =1343a(6) =2369a(7) =3683a(8) =5134a(9) =6012a(10) =7831a(11) =8955a(12) =11596a(13) =12428a(14) =15517a(15) =16802a(16) =21148a(17) =28720a(18) =31929a(19) =33321a(20) =41807a(21) =44778a(22) =51856a(23) =51253a(24) =57466a(25) =57845a(26) =82063a(27) =88015a(28) =95281a(29) =97050