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 A094234 #8 Nov 13 2024 16:40:45 %S A094234 1,5,10,32,76,184,408,944,2088,4680,10168,22192,47952 %N A094234 a(n) = period of terms in quasi-periodic continued fraction expansion of 2^n*tanh(1). %e A094234 E.g. tanh(1)=[0,1,3,5,7,9,...] pattern being /2n+1/ (length=1), so a(1) = 1. %e A094234 2*tanh(1) = [1; 1, 1, 10, 3, 1, 1, 4, 22, 6, 1, 1, 7, 34, 9...]. It is the concatenation of parts of the form [1, 1, 3*m-2, 12*m-2, 3*m] for m = 1,2,3..., so a(2) = 5. %K A094234 nonn,more %O A094234 0,2 %A A094234 _Thomas Baruchel_, Jun 03 2004 %E A094234 More terms from _Thomas Baruchel_, Aug 26 2004