A183379 Number of nX6 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.
5, 61, 364, 2152, 11345, 64530, 377217, 2204567, 12979097, 75859054, 448363239, 2645398817, 15584119501, 92019523654, 543278320078, 3206689314883, 18935258251385, 111811695711103, 660218618968515, 3898720818850631
Offset: 1
Keywords
Examples
Some solutions for 5X6 ..1..0..1..0..1..1....1..0..0..1..1..0....0..0..0..0..1..0....0..1..0..1..1..0 ..0..0..0..0..0..1....1..1..1..1..0..0....0..1..0..0..0..0....0..1..1..0..0..1 ..0..1..1..1..0..1....0..1..1..0..1..0....1..0..1..0..0..1....1..1..1..0..1..1 ..0..0..1..0..1..1....0..1..0..0..0..1....0..1..0..0..0..0....0..1..1..0..0..1 ..1..0..0..0..0..0....0..0..1..1..1..0....1..1..1..0..0..1....1..1..0..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..128
Comments