Number of strictly increasing arrangements of n numbers in -(n+6)..(n+6) with sum zero.
A188180
Number of strictly increasing arrangements of n numbers in -(n+6)..(n+6) with sum zero.
Terms
- a(0) =1a(1) =8a(2) =41a(3) =207a(4) =967a(5) =4370a(6) =19138a(7) =81805a(8) =343363a(9) =1421530a(10) =5820904a(11) =23626234a(12) =95220378a(13) =381577586a(14) =1521967986a(15) =6047272980a(16) =23951790860a(17) =94618944122a(18) =372969633775
External references
- oeis: A188180