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 A068417 #14 Apr 05 2017 11:32:11 %S A068417 0,4,258,10830,709351,99699033,34719687359,32128580602967, %T A068417 82102610820820733,593301237469990370097 %N A068417 Number of partitionings of n X n checkerboard into three edgewise-connected sets. %H A068417 J. Kawahara, T. Horiyama, K. Hotta and S. Minato, <a href="https://dx.doi.org/10.1007/978-3-319-53925-6_10">Generating All Patterns of Graph Partitions within a Disparity Bound</a>, WALCOM 2017. LNCS, vol. 10167, pp. 119-131, Springer, Heidelberg (2017). %K A068417 nonn %O A068417 1,2 %A A068417 _R. H. Hardin_, Mar 02 2002 %E A068417 a(6)-a(10) from _Jun Kawahara_, Apr 03 2017