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A204055
Number of (n+2)X9 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order
1
290942303, 2777961511, 18455232523, 133138952807, 1017086083917, 7515064468455, 58142833651117, 412455945842695, 3064813457955803, 22227920370644935, 163207802839017919, 1189958959521461223
OFFSET
1,1
COMMENTS
Column 7 of A204056
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0..0..1..0....0..0..0..0..1..2..0..2..3
..1..0..0..0..0..0..0..0..0....3..0..0..1..0..0..2..0..2
..1..0..0..0..0..0..0..0..1....0..3..1..0..0..0..0..2..0
..0..1..0..0..0..0..0..0..2....1..1..3..0..0..0..0..0..2
..3..3..1..0..0..0..3..0..0....1..2..0..3..2..0..0..0..3
CROSSREFS
Sequence in context: A346361 A183737 A234807 * A344364 A344647 A344648
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2012
STATUS
approved