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 A109339 #6 Nov 14 2023 11:57:45 %S A109339 4,3,6,4,4,4,4,7,9,9,6,9,12,10,10,7,11,14,12,12,8,12,15,13,13,9,13,16, %T A109339 14,14,7,11,14,12,12,7,11,14,12,12,7,11,14,12,12,7,11,14,12,12,4,9,12, %U A109339 10,10,10,10,13,15,15,12,15,18,16,16,13,17,20,18,18,14,18,21,19,19,15 %N A109339 Number of letters in 2n (in Spanish). %C A109339 Spaces are ignored. %e A109339 0: a(cero) = 4 %e A109339 2: a(dos) = 3 %e A109339 4: a(cuatro) = 6 %e A109339 6: a(seis) = 4 %Y A109339 Bisection of A011762. %K A109339 nonn,word %O A109339 0,1 %A A109339 Cynthia Disenfeld (cynrd(AT)yahoo.com), Aug 20 2005 %E A109339 Extended by _Ray Chandler_, Jul 16 2009