Number of set partitions of [n] with symmetric block size list of length five.
A275290
Number of set partitions of [n] with symmetric block size list of length five.
Terms
- a(0) =1a(1) =3a(2) =22a(3) =86a(4) =470a(5) =2066a(6) =10299a(7) =47503a(8) =229792a(9) =1081851a(10) =5189068a(11) =24671320a(12) =118223765a(13) =565269659a(14) =2713032552a(15) =13022313334a(16) =62644482305a(17) =301600159952
External references
- oeis: A275290