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A250934 Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference 1
168826024, 494596445284, 1492624513556120, 4556054178258259752, 13954745742187551099792, 42789473365101127818661660, 131257085769897322997468606436, 402690602793791961992190200354312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A250935

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..205

EXAMPLE

Some solutions for n=1

..0..0..0..2..2..0..1..0....0..0..0..0..0..1..3..3....0..0..0..0..3..1..3..2

..0..0..0..3..0..1..0..2....0..0..0..0..1..3..1..1....0..0..0..2..1..2..2..1

CROSSREFS

Sequence in context: A172590 A172693 A172784 * A233606 A258956 A096536

Adjacent sequences:  A250931 A250932 A250933 * A250935 A250936 A250937

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved

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Last modified July 25 16:39 EDT 2021. Contains 346291 sequences. (Running on oeis4.)