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A265242
Number of 3Xn arrays containing n copies of 0..3-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.
1
1, 10, 92, 888, 8880, 91180, 955320, 10168092, 109595168, 1193414004, 13106207640, 144965453160, 1613228920704, 18047090084256, 202816635014976, 2288462757997500, 25913609592575040, 294366270662992612
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OFFSET
1,2
COMMENTS
Row 3 of
A265241
.
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..109
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..0..1..0....0..1..1..1....0..1..0..2....0..0..1..1
..1..1..2..2....2..2..1..2....2..0..2..0....0..1..1..1....2..2..0..1
..2..1..1..2....1..2..1..0....2..0..2..1....2..2..0..2....0..1..2..2
CROSSREFS
Cf.
A265241
.
Sequence in context:
A120996
A190990
A287829
*
A262173
A103944
A190989
Adjacent sequences:
A265239
A265240
A265241
*
A265243
A265244
A265245
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 06 2015
STATUS
approved
