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A251266 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01 1
502, 3894, 31936, 279718, 2510004, 22806904, 208452452, 1910905110, 17543333688, 161181383956, 1481444894708, 13618944927408, 125212172603876, 1151259684237236, 10585524477077008, 97332520279830066, 894966894170134936 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251268

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 62

FORMULA

Empirical recurrence of order 62 (see link above)

EXAMPLE

Some solutions for n=3

..0..0..1..1..1..1..1....0..0..0..0..0..1..0....0..0..1..1..1..1..1

..0..0..0..1..1..1..1....0..0..1..1..1..0..1....0..1..1..1..1..1..1

..1..1..1..0..0..0..1....0..1..0..0..0..1..1....0..1..1..1..1..1..1

..0..0..0..1..1..1..1....1..0..1..1..1..1..1....0..0..0..1..1..1..1

CROSSREFS

Sequence in context: A233429 A121577 A250609 * A001244 A160508 A067949

Adjacent sequences:  A251263 A251264 A251265 * A251267 A251268 A251269

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified May 19 11:21 EDT 2022. Contains 353833 sequences. (Running on oeis4.)