A234831 Number of (n+1)X(7+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases

11787201, 15054585588, 16922003634471, 17991495416997300, 18633171647248503816, 19050125794543155115014, 19350145309183022128305720, 19589807728365994405536850230, 19798698696262721060810410964835

Offset

1,1

Comments

Column 7 of A234832

Links

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

Example

Some solutions for n=1
..0..0..0..2..1..0..0..2....0..0..0..0..2..1..0..0....0..0..0..0..0..0..2..1
..0..0..0..1..0..1..2..2....0..0..2..2..1..2..2..2....0..0..0..0..0..1..1..0

Crossrefs

Sequence in context: A248166 A234070 A228978 * A280983 A184651 A123086

Adjacent sequences: A234828 A234829 A234830 * A234832 A234833 A234834

Keyword

nonn

Author

R. H. Hardin, Dec 31 2013

Status

approved