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 A368326 #12 Dec 21 2023 18:54:07
%S A368326 0,1,16,83521,48663522406470666256,
%T A368326 5608079543150183734470340565498778265577622654664540468785094021747120982222401
%N A368326 a(0) = 0; a(n) = (1+a(n-1))^4 for n > 0.
%H A368326 Geir Agnarsson, Elie Alhajjar, and Aleyah Dawkins, <a href="https://arxiv.org/abs/2312.11379">On locally finite ordered rooted trees and their rooted subtrees</a>, arXiv:2312.11379 [math.CO], 2023. See p. 6.
%t A368326 {0}~Join~NestList[(# + 1)^4 &, 1, 5]
%Y A368326 Cf. A004019, A115590, A368327.
%K A368326 nonn,easy
%O A368326 0,3
%A A368326 _Michael De Vlieger_, Dec 21 2023