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 A256981 #5 Apr 24 2015 11:34:47 %S A256981 1,1,7,30,141,668,3249,15666,75931,367664,1781841,8636667,41888162 %N A256981 Number of benzenoid graphs with n hexagonal faces and forcing number 0. %D A256981 C. E. Larson and N. Van Cleemput, Forcing Independence, Croatica Chemica Acta, Vol. 86, No. 4, Dec. 2013, 469-475. %K A256981 nonn,more %O A256981 3,3 %A A256981 _N. J. A. Sloane_, Apr 24 2015