Number of different values of i^2+j^2+k^2+l^2+m^2+n^2 for i,j,k,l,m,n in [0,n].

Terms

a(0) =1a(1) =7a(2) =22a(3) =47a(4) =82a(5) =124a(6) =183a(7) =250a(8) =326a(9) =414a(10) =513a(11) =621a(12) =749a(13) =874a(14) =1018a(15) =1176a(16) =1338a(17) =1515a(18) =1706a(19) =1899a(20) =2110a(21) =2331a(22) =2568a(23) =2806a(24) =3066a(25) =3324a(26) =3612a(27) =3903a(28) =4201a(29) =4513