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

A183945

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =8a(4) =53a(5) =398a(6) =3539a(7) =34847a(8) =369777a(9) =4178324a(10) =49657281a(11) =615829513a(12) =7919376470a(13) =105084836323

External references