Number of solutions to the equation x_1 + ... + x_n =0 satisfying -n<=x_i<=n (1<=i<=n).
A286928
Number of solutions to the equation x_1 + ... + x_n =0 satisfying -n<=x_i<=n (1<=i<=n).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =37a(4) =489a(5) =8801a(6) =204763a(7) =5832765a(8) =197018321a(9) =7702189345a(10) =342237634221
External references
- oeis: A286928