OFFSET
1,1
EXAMPLE
a(2) = 91 = 13*7.
PROG
(PARI) a(n) = {i = prod(i=1, n, prime(i)); while ((digits(i)[1] != 9) || (omega(i)!= n), i++); i; } \\ Michel Marcus, Sep 14 2013
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 04 2002
EXTENSIONS
a(5)-a(10) from Ray Chandler, Apr 17 2005
More terms from Ray Chandler, May 02 2005
STATUS
approved