Number of partitions of a 2n-set into even blocks of size > 2.

A387547

Number of partitions of a 2n-set into even blocks of size > 2.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =36a(5) =211a(6) =6733a(7) =109110a(8) =3935179a(9) =120852049a(10) =5443425654a(11) =255558333097

External references