login
A252323
Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 or 6
1
94578, 797008, 7391236, 70847984, 727750076, 7593834452, 79675585116, 844684816424, 8988312949740, 95719679731744, 1021018620088704, 10900183633017916, 116387192645387416, 1243051216362356780
OFFSET
1,1
COMMENTS
Column 2 of A252325
LINKS
EXAMPLE
Some solutions for n=1
..3..2..2..0....1..0..0..2....2..0..0..0....3..1..3..3....0..0..0..0
..2..3..2..3....2..3..2..2....2..0..0..1....2..3..3..2....3..1..0..1
..3..0..1..1....1..1..0..0....0..1..0..1....3..1..1..3....1..0..1..1
CROSSREFS
Sequence in context: A110845 A348021 A248067 * A030091 A128376 A216122
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 16 2014
STATUS
approved