Number of strict chains of divisors from n! to 1.
A337105
Number of strict chains of divisors from n! to 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =20a(5) =132a(6) =1888a(7) =20128a(8) =584000a(9) =17102016a(10) =553895936a(11) =11616690176a(12) =743337949184
External references
- oeis: A337105