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A081409
a(n) = binomial(n!, lcm(1,...,n)).
0
1, 1, 1, 2704156, 96614908840363322603893139521372656, 26390396795222677975727207509769281627761276862587589456302534175336254818515595864127888
OFFSET
0,4
FORMULA
a(n) = binomial(A000142(n), A003418(n)).
PROG
(PARI) a(n) = binomial(n!, lcm(vector(n, k, k))); \\ Michel Marcus, Mar 15 2018
CROSSREFS
Sequence in context: A178291 A212231 A317286 * A251997 A104848 A234370
KEYWORD
nonn
AUTHOR
Labos Elemer, Apr 01 2003
STATUS
approved