A240781 Number of nX6 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order.
1, 14, 216, 3033, 47920, 746346, 11677893, 182610635, 2856212777, 44672652785, 698693379107, 10927826665165, 170915403140645, 2673181219816234, 41809560933557091, 653917302030513863, 10227513198350314599
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..1..0..1..0....0..1..1..0..1..0....0..1..0..1..0..1....0..1..0..1..0..1 ..0..1..1..0..0..1....0..1..1..0..1..1....1..0..1..0..0..1....0..1..0..1..1..0 ..1..1..0..1..0..0....1..0..1..1..0..1....0..0..1..0..0..1....0..0..1..0..1..1 ..1..0..1..0..1..0....0..1..0..1..0..1....0..0..1..0..0..1....1..0..1..0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments