Number of strings of numbers x(i=1..n) in 0..5 with sum i^2*x(i)^3 equal to n^2*125.

A184314

Number of strings of numbers x(i=1..n) in 0..5 with sum i^2*x(i)^3 equal to n^2*125.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =5a(6) =38a(7) =126a(8) =763a(9) =3133a(10) =16238a(11) =73471a(12) =351014a(13) =1598928a(14) =7535811a(15) =34241961a(16) =158047447a(17) =707980011a(18) =3201074948a(19) =14163106405a(20) =62844039157a(21) =274433474196

External references