A229409 Number of nX5 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
819, 199595, 49788258, 12462062342, 3113479414050, 777638567093963, 194334416016079648, 48554820719187209670, 12132494321992628909959, 3031488710689140016181815, 757470261215571296326841223
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..1..3..2....0..0..2..0..0....0..0..0..3..1....0..0..0..3..2 ..0..2..1..2..1....0..2..1..0..3....0..2..1..3..2....0..2..1..2..1 ..0..3..1..0..3....2..3..2..0..2....0..1..2..1..0....1..3..0..1..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments