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 A211314 #11 Dec 29 2014 03:24:34 %S A211314 1,1,1,1,3,1,1,5,5,1,1,0,6,0,1,1,2,4,4,2,1,1,4,6,0,6,4,1,1,6,5,3,3,5, %T A211314 6,1,1,1,1,0,6,0,1,1,1,1,3,1,6,2,2,6,1,3,1,1,5,5,1,1,3,1,1,5,5,1,1,0, %U A211314 6,0,1,6,6,1,0,6,0,1,1,2,4,4,2,1,1,1,2,4,4,2,1 %N A211314 Square array of Delannoy numbers D(i,j) mod 7 (i >= 0, j >= 0) read by antidiagonals. %H A211314 Marko Razpet, <a href="http://dx.doi.org/10.1016/S0012-365X(01)00098-X">A self-similarity structure generated by king's walk</a>, Algebraic and topological methods in graph theory (Lake Bled, 1999). Discrete Math. 244 (2002), no. 1-3, 423--433. MR1844050 (2002k:05022). %e A211314 Written as a triangle: %e A211314 1, %e A211314 1, 1, %e A211314 1, 3, 1, %e A211314 1, 5, 5, 1, %e A211314 1, 0, 6, 0, 1, %e A211314 1, 2, 4, 4, 2, 1, %e A211314 1, 4, 6, 0, 6, 4, 1, %e A211314 1, 6, 5, 3, 3, 5, 6, 1, %e A211314 1, 1, 1, 0, 6, 0, 1, 1, 1, %e A211314 ... %Y A211314 Cf. A008288, A211312, A211313, A211315. %K A211314 nonn,tabl %O A211314 0,5 %A A211314 _N. J. A. Sloane_, Apr 15 2012