A252446 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3

1382414, 91120655, 6833055569, 443610072768, 29918663096948, 2043376569066322, 137982401378538869, 9340499643291912060, 633028341305650810247, 42861685282180912578759, 2902598081287338693816103

Offset

1,1

Comments

Column 6 of A252447

Links

R. H. Hardin, Table of n, a(n) for n = 1..81

Example

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

Crossrefs

Sequence in context: A205205 A229420 A249882 * A288073 A237240 A052242

Adjacent sequences: A252443 A252444 A252445 * A252447 A252448 A252449

Keyword

nonn

Author

R. H. Hardin, Dec 17 2014

Status

approved