1,2

1^(1^0), 2^(2^1), 3^(3^2), 4^(4^3), 5^(5^4), ...

a(5) = 5^625 is

71821208748307350806616247734800247443646340206560432071396707807743664171107442303767251899701806\

2741796485283616933959084936077890725905152053760052170385188643433579743241720259632199259695\

9457429085048683346494104271761092943744025308612741315888111911087856525487071480712730550125\

0316534243564700489124592870454956410729577301690317708800960633255792684347901301624401393481\

617554653310899100138176009977541980333626270294189453125.

(PARI) g(n) = for(x=1, n, print1(x^x^(x-1)", "))

Sequence in context: A070157 A003556 A053015 this_sequence A034014 A001376 A053937

Adjacent sequences: A089207 A089208 A089209 this_sequence A089211 A089212 A089213

nonn

Cino Hilliard (hillcino368(AT)gmail.com), Dec 09 2003

Edited by N. J. A. Sloane (njas(AT)research.att.com), Nov 09 2007