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A252268
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7
1
6330, 47094, 420420, 3410622, 27565694, 225314758, 1834743688, 14935638513, 121853394325, 993165752030, 8089640891680, 65918907448672, 537257266754611, 4378309348730271, 35677643317164461, 290732203739079601
OFFSET
1,1
COMMENTS
Column 7 of A252269
LINKS
EXAMPLE
Some solutions for n=2
..3..2..3..3..3..3..3..3..3....1..0..0..0..1..0..0..0..0
..3..3..3..3..3..3..2..3..3....0..0..0..0..0..0..0..0..0
..3..3..3..3..2..3..3..3..2....0..0..0..1..0..0..0..0..1
..2..3..3..3..3..3..3..2..0....1..0..0..0..0..0..1..0..0
CROSSREFS
Sequence in context: A069428 A251024 A213993 * A292715 A296777 A292743
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 16 2014
STATUS
approved