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

Terms

a(0) =1a(1) =7a(2) =26a(3) =78a(4) =180a(5) =398a(6) =770a(7) =1387a(8) =2330a(9) =3738a(10) =5772a(11) =8599a(12) =12396a(13) =17488a(14) =24122a(15) =32632a(16) =43334a(17) =56754a(18) =73278a(19) =93477a(20) =117791a(21) =147036a(22) =181786a(23) =222869a(24) =270904a(25) =327053a(26) =392108a(27) =467146a(28) =553100a(29) =651442