Signed partitions of n into n parts in {-n..n} (allowing zero as a part).
A211475
Signed partitions of n into n parts in {-n..n} (allowing zero as a part).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =27a(4) =121a(5) =587a(6) =2983a(7) =15744a(8) =85375a(9) =473259a(10) =2670383a(11) =15293119a(12) =88686530a(13) =519864702a(14) =3075894246a(15) =18348407371a(16) =110244289384a(17) =666651567920
External references
- oeis: A211475