Number of nondecreasing arrangements of n nonzero numbers in -(n+1)..(n+1) with sum zero.
A188327
Number of nondecreasing arrangements of n nonzero numbers in -(n+1)..(n+1) with sum zero.
Terms
- a(0) =0a(1) =3a(2) =8a(3) =37a(4) =166a(5) =828a(6) =4238a(7) =22563a(8) =122986a(9) =684809a(10) =3877416a(11) =22270064a(12) =129457176a(13) =760412390a(14) =4507076156a(15) =26926958097a(16) =162005104664a(17) =980816681009
External references
- oeis: A188327