Number of arrays of n integers in -7..7 with sum zero.
A201551
Number of arrays of n integers in -7..7 with sum zero.
Terms
- a(0) =1a(1) =1a(2) =15a(3) =169a(4) =2255a(5) =30381a(6) =418503a(7) =5832765a(8) =82073295a(9) =1163205475a(10) =16581420835a(11) =237481736823
External references
- oeis: A201551