A175979 a(1) = 1, for n >= 2: a(n) = n^a(n-1) + 1.

1, 3, 28, 72057594037927937

Offset

1,2

Comments

The next term is too large to include.

Links

Table of n, a(n) for n=1..4.

Example

For n = 3: a(3) = 3^3 + 1 = 28.

Mathematica

Transpose[NestList[{#[[1]]+1, (#[[1]]+1)^#[[2]]+1}&, {1, 1}, 3]][[2]] (* Harvey P. Dale, Sep 26 2012 *)

Crossrefs

Sequence in context: A208438 A122891 A119156 * A096621 A362466 A143234

Adjacent sequences: A175976 A175977 A175978 * A175980 A175981 A175982

Keyword

nonn

Author

Jaroslav Krizek, Nov 03 2010

Status

approved