A251996 Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 4 5 or 7

340164, 19275074, 1231596986, 78911024030, 5058864059512, 324452741031424, 20811403922202520, 1334913688175252904, 85625953026747882236, 5492345978944735236776, 352298190659081951815444

Offset

1,1

Comments

Column 4 of A252000

Links

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

Example

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

Crossrefs

Sequence in context: A132660 A236609 A103808 * A182132 A182515 A236703

Adjacent sequences: A251993 A251994 A251995 * A251997 A251998 A251999

Keyword

nonn

Author

R. H. Hardin, Dec 12 2014

Status

approved