

A175984


a(1) = 1, for n >= 2: a(n) = (a(n1)+1)^(n1) + 1.


0




OFFSET

1,2


COMMENTS

The next term  a(7)  has 452 digits.  Harvey P. Dale, Jan 18 2013


LINKS



EXAMPLE

For n = 4: a(4) = (17+1)^3 + 1 = 5833.


MATHEMATICA

nxt[{n_, a_}]:={n+1, (a+1)^n+1}; Transpose[NestList[nxt, {1, 1}, 5]][[2]] (* Harvey P. Dale, Jan 18 2013 *)


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



