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 A265241 #6 Aug 12 2016 06:55:34 %S A265241 1,1,1,1,2,1,1,4,10,1,1,8,92,68,1,1,16,888,4716,604,1,1,32,8880, %T A265241 359172,414716,6584,1,1,64,91180,29189088,327847656,55210372,85048,1, %U A265241 1,128,955320,2481226704,284341627344,559450092072,10337500044,1269680,1,1,256 %N A265241 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0. %C A265241 Table starts %C A265241 .1....1........1............1................1....................1 %C A265241 .1....2........4............8...............16...................32 %C A265241 .1...10.......92..........888.............8880................91180 %C A265241 .1...68.....4716.......359172.........29189088...........2481226704 %C A265241 .1..604...414716....327847656.....284341627344......262625535902888 %C A265241 .1.6584.55210372.559450092072.6395116792255680.79291881287786838864 %H A265241 R. H. Hardin, <a href="/A265241/b265241.txt">Table of n, a(n) for n = 1..71</a> %e A265241 Some solutions for n=3 k=4 %e A265241 ..0..0..1..1....0..1..2..2....0..0..1..1....0..1..2..1....0..1..2..1 %e A265241 ..2..0..2..0....2..1..0..2....2..0..2..0....0..1..2..0....2..0..0..0 %e A265241 ..2..1..1..2....0..1..1..0....1..1..2..2....2..0..2..1....2..1..1..2 %Y A265241 Column 2 is A165968(n+1). %Y A265241 Row 2 is A000079(n-1). %K A265241 nonn,tabl %O A265241 1,5 %A A265241 _R. H. Hardin_, Dec 06 2015