Number of nondecreasing arrangements of n numbers in -(n+3)..(n+3) with sum zero.
A188207
Number of nondecreasing arrangements of n numbers in -(n+3)..(n+3) with sum zero.
Terms
- a(0) =1a(1) =6a(2) =25a(3) =126a(4) =649a(5) =3486a(6) =19138a(7) =107233a(8) =610358a(9) =3521260a(10) =20547836a(11) =121095602a(12) =719833595a(13) =4311542748a(14) =25999063108a(15) =157723186593a(16) =962014388419
External references
- oeis: A188207