Number of strings of numbers x(i=1..6) in 0..n with sum i^2*x(i)^2 equal to n^2*36.

Terms

a(0) =1a(1) =4a(2) =5a(3) =15a(4) =24a(5) =43a(6) =47a(7) =88a(8) =155a(9) =251a(10) =249a(11) =349a(12) =507a(13) =720a(14) =749a(15) =1002a(16) =1438a(17) =1751a(18) =1910a(19) =2431a(20) =3030a(21) =3625a(22) =3897a(23) =4584a(24) =5894a(25) =6846a(26) =6879a(27) =8493a(28) =10156a(29) =11249