A209464 Number of nX7 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order.
877, 3966581, 54657856108, 937020001725427, 16716447554895729642, 300152638733732557375867
Offset: 1
Keywords
Examples
Some.solutions.for.n=4 ..0..0..0..0..0..1..1....0..0..0..0..0..0..0....0..0..1..0..2..3..0 ..1..2..1..2..1..3..4....1..2..1..2..1..2..1....1..2..0..2..1..1..3 ..5..5..1..3..1..4..0....3..1..4..4..1..3..1....0..0..1..0..2..3..4 ..6..1..0..3..4..2..2....1..4..5..3..1..6..6....3..1..2..0..4..4..0
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