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 A265934 #6 Dec 19 2015 09:53:16 %S A265934 15625,11564952,15962560,30029860,51986544,112139348,238485164, %T A265934 634895796,1889252212,4519155408,11448798252,29549746684,97486966836, %U A265934 225990797164,613757430276,1612664169808,5648130657700,12916631080252,36051751403804 %N A265934 Number of 6Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique. %C A265934 Row 6 of A265928. %H A265934 R. H. Hardin, <a href="/A265934/b265934.txt">Table of n, a(n) for n = 1..69</a> %e A265934 Some solutions for n=1 %e A265934 ..3....4....2....1....4....0....1....0....2....1....1....0....0....3....4....2 %e A265934 ..3....2....2....0....0....1....0....2....2....2....2....4....0....1....0....0 %e A265934 ..3....4....4....2....4....4....2....2....2....3....4....3....1....2....4....1 %e A265934 ..4....4....1....4....3....1....0....2....2....0....2....0....3....4....2....2 %e A265934 ..3....3....1....4....2....1....2....3....2....1....3....2....0....3....4....4 %e A265934 ..3....3....1....1....1....3....1....2....1....4....4....0....3....3....2....4 %Y A265934 Cf. A265928. %K A265934 nonn %O A265934 1,1 %A A265934 _R. H. Hardin_, Dec 18 2015