A160814 a(1) = 1; a(n+1) = a(n)^n + n^a(n).

1, 2, 8, 7073

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, May 26 2009

Keywords

• nonn

Comments

Next term is too large to display: 2.3459495195697547514*10^4258

The next term (a(5)) has 4259 digits. - Harvey P. Dale, Jul 18 2021

Crossrefs

Cf. A093898, A055652, A076980. - R. J. Mathar, May 29 2009

Programs

Mathematica

a=1;lst={};Do[a=a^n+n^a;AppendTo[lst,IntegerPart[a]],{n,0,4}];lst
nxt[{n_, a_}] := {n + 1, a^n + n^a}; NestList[nxt, {1, 1}, 4][[All, 2]] (* Harvey P. Dale, Jul 18 2021 *)

Extensions

Edited by N. J. A. Sloane, May 29 2009