This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A116944 #12 Aug 30 2025 02:32:17
%S A116944 1,4,125,252047376,1017210679182495207444253709079169646680657
%N A116944 a(1) = 1; for n>1, a(n) = (a(n-1)+1)^n.
%C A116944 There was a conjecture that this recurrence would produce the sequence A068894, but this is not the case.
%C A116944 a(6) has 253 digits. - _Harvey P. Dale_, Jan 17 2012
%t A116944 RecurrenceTable[{a[1]==1,a[n]==(a[n-1]+1)^n},a,{n,6}] (* _Harvey P. Dale_, Jan 17 2012 *)
%K A116944 nonn,changed
%O A116944 1,2
%A A116944 _Vim Wenders_, Apr 18 2008