A196948 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4.
22, 1792, 60206, 2711711, 115982718, 4998342821, 215125975535, 9264434681345, 398999272140802, 17183027304906341, 739976127644014381, 31866637523239838485, 1372323690154136755767, 59098628715389492859730
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..0..1..1....0..0..2..0..0..0....0..0..0..1..0..2....0..0..0..0..1..0 ..0..0..1..2..0..0....0..0..1..1..2..2....0..0..0..1..0..0....0..0..0..0..1..2 ..0..0..1..2..0..2....0..0..2..2..0..0....2..1..0..0..1..1....0..0..0..0..2..0 ..1..1..0..0..1..1....0..0..0..0..0..2....0..1..2..0..0..0....0..0..0..0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..153
Comments