A062348 a(n) = n! / (number of distinct prime divisors of n).

2, 6, 24, 120, 360, 5040, 40320, 362880, 1814400, 39916800, 239500800, 6227020800, 43589145600, 653837184000, 20922789888000, 355687428096000, 3201186852864000, 121645100408832000, 1216451004088320000

Offset

2,1

Links

Harry J. Smith, Table of n, a(n) for n = 2..100

Formula

a(n) = n! / omega(n).

Prog

(PARI) a(n)=if(n<2, 0, n!/omega(n));

Crossrefs

Sequence in context: A366368 A355988 A330043 * A189856 A189567 A189859

Adjacent sequences: A062345 A062346 A062347 * A062349 A062350 A062351

Keyword

easy,nonn

Author

Jason Earls, Jul 06 2001

Status

approved