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 A163862 #7 Jan 24 2022 07:58:42 %S A163862 1,4,13,47,176,678,2658,10521,41860,166995,667100,2666651,10663099, %T A163862 42645332 %N A163862 a(n) = A170907(2^n). %C A163862 This sequence determines the "lim sup" of the growth of A151723. %F A163862 It appears that a(n)/4^n converges to a constant c which is roughly 0.635. %Y A163862 Cf. A151723, A170907. %K A163862 nonn,more %O A163862 0,2 %A A163862 _N. J. A. Sloane_, May 11 2010 %E A163862 a(8) onwards from _David Applegate_, May 12 2010