A264949 Number of 6Xn arrays containing n copies of 0..6-1 with no equal horizontal neighbors and new values introduced sequentially from 0.
1, 6040, 43200625, 368696849320, 3537141103745065, 36724170744914466520
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1 ..2..3....2..3....2..0....1..0....2..3....2..0....2..3....2..3....2..3....2..1 ..3..4....4..5....3..4....2..3....4..1....2..3....4..2....2..0....0..4....3..2 ..1..5....4..0....4..5....2..4....5..3....4..1....4..3....4..1....5..2....0..3 ..5..0....5..1....5..1....4..5....0..4....5..3....5..0....5..3....3..5....4..5 ..2..4....2..3....2..3....3..5....5..2....5..4....1..5....5..4....1..4....5..4
Crossrefs
Cf. A264945.
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