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A251226
Number of (n+1) X (6+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
1
7275, 453273, 27662994, 1697323707, 103986727042, 6373427948731, 390586327228567, 23937316421928928, 1466999236798838668, 89905332249468711934, 5509861728752949673273, 337672768681288148069329
OFFSET
1,1
COMMENTS
Column 6 of A251228.
FORMULA
Empirical recurrence of order 54 (see link above).
EXAMPLE
Some solutions for n=1
..1..0..0..0..0..0..1....0..0..0..0..0..0..0....1..1..1..1..0..1..0
..0..0..1..0..0..0..0....1..1..0..1..0..0..1....0..0..1..0..0..1..0
CROSSREFS
Cf. A251228.
Sequence in context: A297880 A084276 A152502 * A260000 A303876 A358855
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved