OFFSET
1,1
COMMENTS
a(n) is divisible by n! because D(k) is divisible by k. - Michel Marcus, Jan 07 2021
EXAMPLE
a(4)=351384 because 11*22*33*44 = 351384.
PROG
(PARI) D(n) = eval(Str(n, n)); \\ A020338
a(n) = prod(k=1, n, D(k)); \\ Michel Marcus, Jan 07 2021
CROSSREFS
KEYWORD
easy,base,nonn
AUTHOR
Jason Earls, Aug 27 2006
STATUS
approved