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A220078
5^(n!).
2
5, 5, 25, 15625, 59604644775390625, 752316384526264005099991383822237233803945956334136013765601092018187046051025390625
OFFSET
0,1
COMMENTS
The next term (a(6)) has 504 digits. - Harvey P. Dale, Apr 01 2013
LINKS
FORMULA
a(n)=a(n-1)^n, a(0)=5. a(n)=A000351(A000142(n)).
MATHEMATICA
lst={}; Do[AppendTo[lst, 5^n!], {n, 0, 9}]; lst
5^Range[6]! (* Harvey P. Dale, Apr 01 2013 *)
PROG
(Magma) [5^(Factorial(n)): n in [0..7]]
(Maxima) makelist(5^(n!), n, 0, 5); /* Martin Ettl, Dec 27 2012 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Dec 16 2012
EXTENSIONS
One more term (a(5)) from Harvey P. Dale, Apr 01 2013
STATUS
approved