A252444 Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3

48658, 1149386, 30491181, 732217984, 17918363933, 443610072768, 10912522669489, 268546526289340, 6614897944285757, 162882261040491536, 4010626018505396919, 98759585707049584445, 2431863109516879847304

Offset

1,1

Comments

Column 4 of A252447

Links

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

Example

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

Crossrefs

Sequence in context: A048341 A062204 A173780 * A237146 A210401 A067869

Adjacent sequences: A252441 A252442 A252443 * A252445 A252446 A252447

Keyword

nonn

Author

R. H. Hardin, Dec 17 2014

Status

approved