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 A212524 #14 Feb 04 2017 01:21:14 %S A212524 3,17,108,755,5936,48474,406270,3532031,31295358,279591668,2521429242, %T A212524 22996137423 %N A212524 Number of k < 10^n such that A047988(k) = 0. %D A212524 Thomas Kantke, Mathematische Unterhaltungen, in: Spektrum der Wissenschaft 4/1993, p. 11-13. %D A212524 Thomas Kantke, Das Spiel Minimum, in: Spektrum der Wissenschaft Spezial Physik - Mathematik - Technik 2/2012, pp. 57-66. %Y A212524 Cf. A047836, A047988, A213530, A213531, A213532, A213533. %K A212524 nonn %O A212524 1,1 %A A212524 _Martin Renner_, Jun 13 2012