Number of ordered partitions of an n-set without blocks of size 7.
A343790
Number of ordered partitions of an n-set without blocks of size 7.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =75a(5) =541a(6) =4683a(7) =47292a(8) =545819a(9) =7086973a(10) =102242283a(11) =1622530933a(12) =28089498891a(13) =526813752973
External references
- oeis: A343790