Subdiagonal of triangle A171871: Classifications of N elements containing exactly N-2 binary partitions.

A171875

Subdiagonal of triangle A171871: Classifications of N elements containing exactly N-2 binary partitions.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =3a(4) =17a(5) =74a(6) =358a(7) =1631a(8) =7563a(9) =34751a(10) =160807

External references