login
A252847
Number of (3+2)X(n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order
0
488880, 17431462, 610768407, 21483285845, 777477410236, 28029165998950, 1007135917976846, 36272531111749239, 1306127691485449612, 47014338015317804764, 1692594358072775917398
OFFSET
1,1
COMMENTS
Row 3 of A252844
EXAMPLE
Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1
..1..0..0....0..0..1....1..0..0....1..0..0....1..2..1....1..1..2....0..0..0
..2..1..2....2..3..3....1..1..2....1..2..2....0..0..0....0..1..0....1..1..2
..2..2..2....3..1..3....0..0..1....2..1..1....2..1..1....2..3..3....3..3..1
..0..3..3....1..2..1....3..3..0....2..0..0....1..2..1....1..1..0....0..3..3
CROSSREFS
Sequence in context: A163401 A022215 A335083 * A359687 A251972 A034629
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 22 2014
STATUS
approved