A229369 Number of nX5 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.
164, 4144, 122497, 3576912, 104382552, 3043629267, 89084628843, 2599351293506, 76022735747576, 2220055036850204, 64891952478301245, 1895740602154065042, 55399224157117918936, 1618646788430829125358, 47297972275705523494868
Offset: 1
Keywords
Examples
Some solutions for n=3 ..1..2..2..1..2....2..1..0..0..2....0..2..0..1..2....1..2..1..2..1 ..0..1..0..0..1....0..1..2..1..0....0..1..2..0..1....1..0..0..1..2 ..1..2..2..0..1....0..0..1..2..1....2..2..1..0..0....2..1..2..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 50
Formula
Empirical recurrence of order 50 (see link above)
Comments