Number of arrays of n integers in -9..9 with sum zero.
A322539
Number of arrays of n integers in -9..9 with sum zero.
Terms
- a(0) =1a(1) =1a(2) =19a(3) =271a(4) =4579a(5) =78151a(6) =1363573a(7) =24072133a(8) =429042211a(9) =7702189345a(10) =139071924069
External references
- oeis: A322539