

A108889


a(n) is n! divided by LCM of all composite numbers k such that n < k < prime(r) where prime(r1)< n.


0



1, 2, 6, 24, 120, 720, 5040, 448, 36288, 3628800, 39916800, 479001600, 6227020800, 363242880, 81729648000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 5266021662720000, 2322315553259520000
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

As every k divides n!, LCM of all k's divides n!.


LINKS



EXAMPLE

a(8) = 8!/gcd(9, 10) = 40320/90 = 448.


CROSSREFS



KEYWORD

nonn,less


AUTHOR



EXTENSIONS



STATUS

approved



