OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for the first 14 Fermat numbers
MATHEMATICA
IntegerDigits[Table[2^(2^n) + 1, {n, 0, 10}]] // Flatten (* G. C. Greubel, Oct 03 2017 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Omar E. Pol, Nov 10 2007
STATUS
approved