Number of nondecreasing arrangements of n nonzero numbers in -(2n-2)..(2n-2) with sum zero.
A188324
Number of nondecreasing arrangements of n nonzero numbers in -(2n-2)..(2n-2) with sum zero.
Terms
- a(0) =0a(1) =2a(2) =8a(3) =61a(4) =472a(5) =4050a(6) =36454a(7) =341988a(8) =3306612a(9) =32757830a(10) =330964946a(11) =3398830478a(12) =35386215292a(13) =372754193214
External references
- oeis: A188324