Number of factorizations of n! into factors > 1 that can be obtained by taking the multiset union of a choice of factorizations of each positive integer from 2 to n into factors > 1.
A321468
Number of factorizations of n! into factors > 1 that can be obtained by taking the multiset union of a choice of factorizations of each positive integer from 2 to n into factors > 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =4a(7) =4a(8) =10a(9) =20a(10) =40a(11) =40a(12) =116a(13) =116a(14) =232a(15) =464a(16) =1440a(17) =1440a(18) =4192a(19) =4192a(20) =11640a(21) =23280a(22) =46560a(23) =46560a(24) =157376
External references
- oeis: A321468