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A268027
Number of 3Xn 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
1
24, 576, 13824, 295962, 6042732, 117582228, 2205234900, 40088968398, 709841497188, 12287419441812, 208546228493724, 3478737714576768, 57143989099923852, 925889151644801202, 14817867358400405148
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OFFSET
1,1
COMMENTS
Row 3 of
A268026
.
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
R. H. Hardin,
Empirical recurrence of order 86
FORMULA
Empirical recurrence of order 86 (see link above)
EXAMPLE
Some solutions for n=3
..1..2..1....1..2..0....0..0..2....1..1..2....2..0..0....2..1..1....0..2..2
..0..2..1....0..1..1....1..1..0....1..2..0....1..2..0....1..0..2....2..1..2
..2..0..2....2..2..1....1..1..2....0..0..1....1..1..1....1..0..1....2..1..1
CROSSREFS
Cf.
A268026
.
Sequence in context:
A267962
A188870
A171298
*
A009968
A041265
A042106
Adjacent sequences:
A268024
A268025
A268026
*
A268028
A268029
A268030
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 24 2016
STATUS
approved
