login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

a(1)=1. a(n) = a(n-1) + a(n-1)^a(n-1).
0

%I #14 Jun 28 2021 18:48:13

%S 1,2,6,46662

%N a(1)=1. a(n) = a(n-1) + a(n-1)^a(n-1).

%C Next term is too large to include.

%C The next term has 217864 digits. - _Harvey P. Dale_, Jun 28 2021

%t FoldList[#2 + #1^#1 &, 1, {1, 2, 6}] (* _G. C. Greubel_, Oct 12 2016 *)

%t NestList[#+#^#&,1,4] (* _Harvey P. Dale_, Jun 28 2021 *)

%K nonn

%O 1,2

%A _Leroy Quet_, Dec 10 2007