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A250971
Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
1
7448, 489543, 32124018, 2112130109, 138900769559, 9135168475316, 600808386292820, 39514486757351514, 2598824818868706096, 170921926401546121395, 11241352463500152822391, 739331740764868834365986
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OFFSET
1,1
COMMENTS
Column 6 of
A250973
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
R. H. Hardin,
Empirical recurrence of order 57
FORMULA
Empirical recurrence of order 57 (see link above)
EXAMPLE
Some solutions for n=1
..1..0..1..1..0..0..1....1..0..0..1..1..0..1....0..1..1..1..0..1..1
..1..1..0..1..0..0..1....0..0..1..0..0..1..0....1..0..0..0..0..1..1
CROSSREFS
Sequence in context:
A051259
A289517
A178281
*
A250239
A330713
A385219
Adjacent sequences:
A250968
A250969
A250970
*
A250972
A250973
A250974
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Nov 29 2014
STATUS
approved