OFFSET
1,1
EXAMPLE
a(1) = 8, a(2) = 172, a(2)a(1) = 1728 = 12^3.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, May 06 2001
EXTENSIONS
Corrected and extended by Ulrich Schimke (ulrschimke(AT)aol.com), Nov 06 2001. Next element has 135 digits.
STATUS
approved