Number of ways writing n^2 as a sum of four squares: a(n) = A000118(n^2).

Terms

a(0) =1a(1) =8a(2) =24a(3) =104a(4) =24a(5) =248a(6) =312a(7) =456a(8) =24a(9) =968a(10) =744a(11) =1064a(12) =312a(13) =1464a(14) =1368a(15) =3224a(16) =24a(17) =2456a(18) =2904a(19) =3048a(20) =744a(21) =5928a(22) =3192a(23) =4424a(24) =312a(25) =6248a(26) =4392a(27) =8744a(28) =1368a(29) =6968