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A252406
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 2 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 2 3 4 6 or 7
1
7662, 8307, 32710, 122653, 551827, 2289969, 8765249, 39649367, 163860739, 627061685, 2839245764, 11737621589, 44915317915, 203379617026, 841031366884, 3218827526753, 14576234410496, 60290108523804, 230784383770992
OFFSET
1,1
COMMENTS
Column 7 of A252407
LINKS
EXAMPLE
Some solutions for n=4
..2..3..2..2..0..2..2..0..2....2..0..2..2..0..2..2..3..2
..2..2..3..2..2..3..2..2..3....2..2..3..2..2..3..2..2..3
..1..3..3..1..3..3..1..3..3....1..3..3..1..3..3..1..3..3
..2..3..2..2..3..2..2..0..2....2..0..2..2..3..2..2..3..2
..2..2..3..2..2..3..2..2..3....2..2..3..2..2..3..2..2..0
..1..0..3..1..3..3..1..3..3....1..3..0..1..3..3..1..3..3
CROSSREFS
Sequence in context: A252051 A038011 A205040 * A145307 A232254 A008774
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2014
STATUS
approved