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

168826024, 494596445284, 1492624513556120, 4556054178258259752, 13954745742187551099792, 42789473365101127818661660, 131257085769897322997468606436, 402690602793791961992190200354312

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