A232374 Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.
26, 4682, 259458, 14326374, 825606450, 47301712998, 2706080691402, 154987416800398, 8875595994390694, 508249649361525870, 29105003808620979142, 1666700158869294743494, 95443569491003523718078
Offset: 1
Keywords
Examples
Some solutions for n=2 ..1..2..1..0..3..2....3..2..3..2..3..0....2..3..2..1..2..1....3..2..3..0..2..1 ..1..0..3..2..1..0....3..2..3..2..1..0....2..1..2..3..2..1....3..2..1..0..2..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments