A196144 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,4,1,2 for x=0,1,2,3,4.
12, 62, 85, 346, 1031, 2599, 7486, 22292, 61689, 177057, 510032, 1448637, 4132242, 11862868, 33916712, 96889032, 277372934, 794009775, 2271276412, 6499360165, 18601549495, 53231495224, 152336019308, 435981877255, 1247751132201
Offset: 1
Keywords
Examples
Some solutions for n=4 .1.1.3.1.0.0...1.1.0.0.0.0...0.0.1.1.0.0...0.0.0.0.0.1 .0.0.1.1.0.0...0.1.1.1.1.1...1.1.3.3.1.1...1.1.1.1.1.1 .0.0.1.1.0.0...1.1.1.1.1.1...3.1.1.1.1.1...3.1.1.1.1.0 .0.0.1.3.1.1...1.0.0.0.0.0...1.0.0.0.0.0...1.0.0.0.1.1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments