A207553 Number of 5 X n 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
216, 46656, 7104784, 1033847229, 151596413811, 22310125127129, 3281119335987704, 482409110595369417, 70913221471442436735, 10423970912644421821948, 1532250473752733562395242
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..2..2..0....1..0..2..0....2..0..1..0....2..2..1..2....2..1..0..0 ..0..1..0..1....1..0..0..0....0..2..1..0....2..2..1..0....1..1..1..0 ..1..2..0..0....2..1..0..0....2..1..2..1....0..1..0..1....0..1..0..2 ..1..2..2..2....0..0..0..0....2..2..1..0....0..1..0..0....2..0..2..1 ..1..2..1..1....2..0..0..1....0..2..2..2....0..2..0..0....1..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A207550.
Comments