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A280404 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. 1
0, 1666, 31242, 410670, 5338004, 68842232, 874372050, 10989663174, 136908921742, 1690267696260, 20713635101862, 252098542020936, 3050075961754870, 36706018506588918, 439673171758668484, 5244607430822259138 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 6 of A280398.
LINKS
EXAMPLE
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
CROSSREFS
Cf. A280398.
Sequence in context: A234976 A303643 A068744 * A054811 A164773 A321001
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2017
STATUS
approved

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Last modified February 29 23:09 EST 2024. Contains 370428 sequences. (Running on oeis4.)