T(n,k)=Number of nondecreasing arrangements of n nonzero numbers in -(n+k-2)..(n+k-2) with sum zero.
A188333
T(n,k)=Number of nondecreasing arrangements of n nonzero numbers in -(n+k-2)..(n+k-2) with sum zero.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =2a(6) =0a(7) =3a(8) =4a(9) =10a(10) =0a(11) =4a(12) =8a(13) =20a(14) =40a(15) =0a(16) =5a(17) =12a(18) =37a(19) =86a(20) =197a(21) =0a(22) =6a(23) =18a(24) =61a(25) =166a(26) =424a(27) =980a(28) =0a(29) =7
External references
- oeis: A188333