A208042 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically.
19, 361, 1995, 11025, 94605, 811801, 5866411, 42393121, 327288437, 2526771289, 19008214715, 142993641025, 1086798939915, 8260031196729, 62521114891599, 473229424222569, 3587920094200239, 27202811032966009, 206103852899096453
Offset: 1
Keywords
Examples
Some solutions for n=4 ..1..0..1..1....1..0..1..1....0..1..1..0....1..0..1..1....0..1..1..1 ..0..0..1..1....1..1..1..1....1..1..0..0....1..1..0..1....1..1..1..0 ..0..1..1..1....0..1..1..1....1..1..0..1....1..1..0..1....1..1..0..0 ..1..0..0..1....0..1..1..0....0..0..1..1....0..1..1..0....1..0..0..1 ..1..0..0..1....1..1..1..0....0..0..1..1....0..1..1..0....0..0..1..1 ..0..1..1..0....0..0..1..1....1..1..1..0....1..0..0..1....0..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments