Smallest a(n) such that the prime factorization of a(n)! contains at least one factor to each exponent between 1 and n.
A177442
Smallest a(n) such that the prime factorization of a(n)! contains at least one factor to each exponent between 1 and n.
Terms
- a(0) =2a(1) =6a(2) =15a(3) =22a(4) =55a(5) =68a(6) =85a(7) =145a(8) =261a(9) =296a(10) =333a(11) =370a(12) =492a(13) =533a(14) =590a(15) =885a(16) =944a(17) =1005a(18) =1143a(19) =1207a(20) =1278a(21) =2831a(22) =2980a(23) =3048a(24) =3175a(25) =3302a(26) =3429a(27) =3576a(28) =3725a(29) =3874
External references
- oeis: A177442