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A058522 a(1) = a(2) = 1; a(n+2) = a(n+1) + a(n+1)^a(n). 0
1, 1, 2, 4, 20, 160020 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

The next term is 105 digits long.

LINKS

Table of n, a(n) for n=1..6.

MATHEMATICA

Join[{a=1, b=1}, Table[c=b+b^a; a=b; b=c, {n, 5}]] (* Vladimir Joseph Stephan Orlovsky, Apr 13 2011 *)

CROSSREFS

Cf. A058523.

Sequence in context: A087314 A099179 A102049 * A122736 A092458 A071779

Adjacent sequences:  A058519 A058520 A058521 * A058523 A058524 A058525

KEYWORD

easy,nonn

AUTHOR

Leroy Quet, Dec 21 2000

STATUS

approved

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Last modified August 28 00:41 EDT 2015. Contains 261101 sequences.