Number of strings of numbers x(i=1..5) in 0..n with sum i^2*x(i)^2 equal to n^2*25.

Terms

a(0) =2a(1) =2a(2) =5a(3) =3a(4) =15a(5) =11a(6) =30a(7) =5a(8) =79a(9) =30a(10) =99a(11) =30a(12) =129a(13) =63a(14) =318a(15) =30a(16) =286a(17) =188a(18) =423a(19) =71a(20) =789a(21) =239a(22) =698a(23) =170a(24) =860a(25) =325a(26) =1624a(27) =184a(28) =1347a(29) =799