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A280404
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Number of 6Xn 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
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1
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0, 1666, 31242, 410670, 5338004, 68842232, 874372050, 10989663174, 136908921742, 1690267696260, 20713635101862, 252098542020936, 3050075961754870, 36706018506588918, 439673171758668484, 5244607430822259138
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..0..0..1. .0..0..0. .0..0..1. .0..0..1. .0..0..0. .0..0..1. .0..0..1
..0..1..1. .0..0..0. .1..1..1. .0..2..2. .0..0..0. .0..1..1. .0..0..0
..2..2..0. .1..1..1. .1..1..2. .2..1..1. .1..1..1. .0..0..0. .2..2..2
..2..0..0. .1..2..0. .2..2..2. .1..0..0. .0..0..1. .0..2..0. .2..0..0
..2..0..2. .2..0..0. .1..1..1. .0..0..2. .0..0..2. .2..0..1. .0..0..2
..0..2..2. .1..1..1. .2..2..2. .0..2..2. .0..2..2. .0..1..1. .0..2..2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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