A241327 Number of nX6 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.
41, 45057, 60066019, 79254376889, 104609549355169, 138095118530911728, 182299462522915741748, 240653648937251996398823, 317687073439565072412214593, 419378959685869736234929351013
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..1..2..0..1..2....0..1..0..2..0..2....0..1..2..3..2..0....0..1..0..1..1..0 ..2..0..3..0..3..2....1..3..1..3..0..2....0..3..1..2..0..2....2..1..3..1..1..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..33
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