OFFSET
1,1
COMMENTS
a(3n+1) = 0, a(24) = 47^113 - 2 is a 189-digit number.
EXAMPLE
a(12) = 952809757913927 = 23^11 + 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jun 10 2003
EXTENSIONS
Edited by Robert G. Wilson v, Jun 11 2003
STATUS
approved