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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.

A222019 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns.

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%I A222019 #5 Jul 23 2025 02:22:57
%S A222019 60,70994,41636522,27460842224,17838051289367,11593944359617570,
%T A222019 7538777970648890706,4901063986390211477492,3186408336556340539334545
%N A222019 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns.
%C A222019 Column 6 of A222020
%e A222019 Some solutions for n=3
%e A222019 ..0..1..0..2..0..2....0..1..0..2..0..1....0..1..0..0..2..0....0..1..1..1..3..0
%e A222019 ..0..3..0..2..1..2....0..3..1..2..2..1....0..3..3..1..3..1....0..3..1..1..0..0
%e A222019 ..0..3..0..1..1..0....0..2..0..0..3..0....0..2..0..1..0..1....0..2..1..1..0..3
%K A222019 nonn
%O A222019 1,1
%A A222019 _R. H. Hardin_ Feb 05 2013

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