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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.

A268030 Number of 6Xn 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

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%I A268030 #3 Jan 24 2016 14:13:05
%S A268030 394,155236,61162984,19177213020,5458407864352,1411837587469431,
%T A268030 339437646632621026,76740959189961339827,16475994752433970120239
%N A268030 Number of 6Xn 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
%C A268030 Row 6 of A268026.
%e A268030 Some solutions for n=2
%e A268030 ..1..0....0..2....1..0....0..2....1..0....2..0....0..1....0..2....2..1....0..0
%e A268030 ..0..1....1..2....0..0....0..0....0..1....0..2....1..0....1..0....0..1....1..1
%e A268030 ..2..1....1..0....1..1....2..1....2..2....2..1....2..0....1..1....2..0....0..2
%e A268030 ..1..2....0..1....2..0....2..1....0..1....2..0....0..1....2..2....1..1....1..2
%e A268030 ..2..0....1..0....0..2....1..2....2..2....1..2....0..0....2..1....2..2....1..1
%e A268030 ..1..2....2..2....0..1....2..1....1..0....0..1....1..1....1..0....0..0....0..0
%Y A268030 Cf. A268026.
%K A268030 nonn
%O A268030 1,1
%A A268030 _R. H. Hardin_, Jan 24 2016

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