Number of ordered partitions of an n-set without blocks of size 9.

A343792

Number of ordered partitions of an n-set without blocks of size 9.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =13a(4) =75a(5) =541a(6) =4683a(7) =47293a(8) =545835a(9) =7087260a(10) =102247543a(11) =1622632133a(12) =28091557915a(13) =526858128161

External references