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A251797 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01 1
36552, 3352272, 294088336, 26787273856, 2446811684440, 224175608341756, 20552060379396424, 1884978485974990408, 172902962249484086342, 15861042034905778115252, 1455015754461632248883532 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A251801
LINKS
EXAMPLE
Some solutions for n=1
..1..0..2..3..1....2..0..1..0..2....1..2..1..3..2....2..1..2..2..2
..0..2..0..0..2....0..2..1..3..1....0..2..3..1..2....0..1..1..2..3
CROSSREFS
Sequence in context: A011771 A011770 A250540 * A143369 A203939 A061739
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved

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Last modified May 25 14:05 EDT 2024. Contains 372788 sequences. (Running on oeis4.)