Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i)^2 equal to n^2*64.
A184239
Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i)^2 equal to n^2*64.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =88a(6) =571a(7) =3719a(8) =32608a(9) =229978a(10) =1944146a(11) =12785619a(12) =92175303a(13) =562796025a(14) =3586783831a(15) =21282332690a(16) =123857108265a(17) =711033477793
External references
- oeis: A184239