A188504 Number of nX5 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
21, 441, 4351, 35079, 317751, 3121877, 30288308, 288040928, 2737303569, 26117921403, 249374820339, 2379330844064, 22697020589721, 216539527325714, 2065979971938958, 19710827779239843, 188052454261718490
Offset: 1
Keywords
Examples
Some solutions for 3X5 ..0..0..1..1..1....1..0..1..1..1....1..1..1..0..0....0..0..1..1..1 ..0..1..1..0..0....0..0..0..1..1....1..0..0..0..1....0..0..1..1..1 ..1..1..1..1..0....0..0..0..0..0....1..1..0..0..1....0..1..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments