Number of inequivalent (ordered) solutions to n^2 = sum of 7 squares of integers >= 0.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =10a(7) =13a(8) =16a(9) =27a(10) =36a(11) =43a(12) =58a(13) =72a(14) =99a(15) =130a(16) =146a(17) =178a(18) =254a(19) =265a(20) =342a(21) =417a(22) =507a(23) =540a(24) =726a(25) =745a(26) =975a(27) =1092a(28) =1289a(29) =1338