A252445 Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3

259257, 10157387, 454665875, 17918363933, 727114790171, 29918663096948, 1218437834167018, 49699856516684819, 2030235758746008203, 82861978509545725188, 3382085380142844348363, 138065021791896705312517

Offset

1,1

Comments

Column 5 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..0..0..0....0..1..1..0..0..1..1....0..1..1..0..0..1..0
..0..1..0..1..0..1..1....0..0..0..1..0..0..0....0..0..1..0..0..0..0
..0..1..0..1..0..1..1....1..1..0..0..0..1..0....1..0..0..0..0..0..2

Crossrefs

Sequence in context: A216204 A153980 A317747 * A184781 A146897 A249836

Adjacent sequences: A252442 A252443 A252444 * A252446 A252447 A252448

Keyword

nonn

Author

R. H. Hardin, Dec 17 2014

Status

approved