Number of nondecreasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero.
A188204
Number of nondecreasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =86a(4) =649a(5) =5444a(6) =48417a(7) =450096a(8) =4323349a(9) =42611589a(10) =428774562a(11) =4388708804a(12) =45566531999a(13) =478878888344
External references
- oeis: A188204