Number of blocks of size >= three in all set partitions of n.
A288785
Number of blocks of size >= three in all set partitions of n.
Terms
- a(0) =1a(1) =5a(2) =26a(3) =137a(4) =750a(5) =4307a(6) =25996a(7) =164825a(8) =1096217a(9) =7633650a(10) =55549664a(11) =421599778a(12) =3331027887a(13) =27349472297a(14) =232967157736
External references
- oeis: A288785