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A176596
13^(2^n)
1
13, 169, 28561, 815730721, 665416609183179841, 442779263776840698304313192148785281, 196053476430761073330659760423566015424403280004115787589590963842248961
OFFSET
0,1
COMMENTS
a(n+1)=a(n)^2 with a(0)=13
MATHEMATICA
13^(2^Range[0, 7]) (* Harvey P. Dale, Apr 18 2011 *)
CROSSREFS
Sequence in context: A195945 A228389 A020533 * A176023 A067220 A057684
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Apr 21 2010
EXTENSIONS
Offset corrected by R. J. Mathar, Jun 18 2010
STATUS
approved