A229370 Number of nX6 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.
448, 19675, 1067299, 56939585, 3043629267, 162794962814, 8710922742428, 465220677212678, 24888824486410340, 1329636795738857739, 71103770288879123298, 3799851842800067248447, 203151084678069461627099
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..1..2..0..0....0..0..0..0..0..2....0..0..0..2..0..1....0..0..1..2..1..2 ..1..0..2..1..2..0....1..2..1..2..1..0....1..2..2..1..2..1....2..2..0..0..0..0 ..1..0..1..2..1..2....0..1..0..1..2..0....0..0..0..2..1..2....0..1..2..2..2..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..220
Comments