A251638 Number of (n+2)X(1+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3

17511, 429399, 10560127, 259228149, 6364650023, 156279294337, 3837213542225, 94217351705611, 2313377685724183, 56801788011413551, 1394689284588080653, 34244666060924691341, 840830398251185804161, 20645427139891516724819

Offset

1,1

Comments

Column 1 of A251641

Links

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

Example

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

Crossrefs

Sequence in context: A048256 A303996 A251641 * A234562 A321640 A374557

Adjacent sequences: A251635 A251636 A251637 * A251639 A251640 A251641

Keyword

nonn

Author

R. H. Hardin, Dec 06 2014

Status

approved