A214118 Number of 0..3 colorings of a 7X(n+1) array circular in the n+1 direction with new values 0..3 introduced in row major order.
58825, 1771561, 3534382642, 905603817680, 620197951750765, 253970131976197721, 135743316919977662412, 62885908101358051035940, 31453337901778389982520355, 15089383122710841105805186961
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..2..3..1....0..1..0..2..3....0..1..0..2..1....0..1..2..3..1 ..1..0..3..0..3....3..2..3..0..1....3..2..3..0..2....3..0..1..2..0 ..0..1..2..1..2....1..3..0..2..3....1..0..2..1..3....0..1..2..3..2 ..1..2..1..0..3....0..2..1..0..1....0..2..0..2..1....1..3..0..1..3 ..0..3..2..1..2....2..1..3..2..3....1..3..1..3..2....3..0..1..3..0 ..3..1..0..2..0....3..0..1..3..0....3..1..3..0..1....0..2..3..0..2 ..0..2..1..3..1....2..1..0..1..3....0..3..1..3..2....2..3..0..1..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..14
Comments