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 A301412 #4 Mar 21 2018 08:01:22 %S A301412 1,1,3,11,46,205,957,4614,22803,114898,588052,3048612,15975922, %T A301412 84489890,450363757,2417104782,13050778500,70841037919,386357165119, %U A301412 2116097719571,11634392901981,64188480019008,355255552604237,1971866447509917,10973973061151433,61222237473973758 %N A301412 G.f. A(x) satisfies: A(x) = 1/(1 - x*A(x)/(1 - x*A(x)/(1 - x^2*A(x)/(1 - x^2*A(x)/(1 - x^3*A(x)/(1 - x^3*A(x)/(1 - ...))))))), a continued fraction. %e A301412 G.f. A(x) = 1 + x + 3*x^2 + 11*x^3 + 46*x^4 + 205*x^5 + 957*x^6 + 4614*x^7 + 22803*x^8 + 114898*x^9 + ... %Y A301412 Cf. A006958, A088368, A192728. %K A301412 nonn %O A301412 0,3 %A A301412 _Ilya Gutkovskiy_, Mar 20 2018