A224309 Number of nX7 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing

239, 10511, 174378, 1825800, 15312504, 118317987, 911404794, 7236130163, 59751261572, 512310103541, 4533427479414, 41097427928564, 379017425099579, 3535755438091183, 33225644610034806, 313628721090498518

Offset

1,1

Comments

Column 7 of A224310

Links

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

Example

Some solutions for n=3
..0..0..0..0..1..2..2....0..0..0..1..2..1..0....0..0..2..2..0..0..0
..0..0..2..2..2..2..0....0..0..1..2..1..0..0....0..2..2..2..2..0..0
..2..2..2..2..2..0..0....0..2..2..1..1..1..0....2..2..2..2..1..0..0

Crossrefs

Sequence in context: A224189 A223932 A224056 * A224373 A278852 A163041

Adjacent sequences: A224306 A224307 A224308 * A224310 A224311 A224312

Keyword

nonn

Author

R. H. Hardin Apr 03 2013

Status

approved