Number of nondecreasing arrangements of n nonzero numbers in -(n+2)..(n+2) with sum zero.
A188328
Number of nondecreasing arrangements of n nonzero numbers in -(n+2)..(n+2) with sum zero.
Terms
- a(0) =0a(1) =4a(2) =12a(3) =61a(4) =288a(5) =1488a(6) =7836a(7) =42593a(8) =236130a(9) =1333130a(10) =7636298a(11) =44294040a(12) =259682196a(13) =1536666930a(14) =9167492664a(15) =55086510571a(16) =333133752902
External references
- oeis: A188328