Number of compositions (ordered partitions) of n into parts having the same number of distinct prime divisors as n.
A301332
Number of compositions (ordered partitions) of n into parts having the same number of distinct prime divisors as n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =1a(7) =8a(8) =11a(9) =19a(10) =1a(11) =47a(12) =2a(13) =116a(14) =1a(15) =1a(16) =460a(17) =724a(18) =4a(19) =1820a(20) =4a(21) =3a(22) =6a(23) =11482a(24) =10a(25) =28821a(26) =11a(27) =72338a(28) =16a(29) =181549
External references
- oeis: A301332