A252103 - OEIS

A252103

Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 4 6 or 7

38599, 50222, 252110, 1129324, 7637420, 41913367, 204205735, 1415634760, 8021937546, 40908964043, 287473121113, 1660335693889, 8693635143767, 61561781177795, 359773581293520, 1913621266032871, 13607101974373159

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OFFSET

1,1

COMMENTS

Column 6 of A252105

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..3..0..1..3..0..1..3..3....3..2..2..0..2..2..0..2....1..3..0..1..3..3..1..0

..1..1..2..1..1..2..1..1....1..3..0..1..3..0..1..3....2..1..1..2..1..1..2..0

..0..3..1..3..3..1..0..3....3..2..2..3..2..2..3..2....1..3..3..1..3..3..1..0

..3..3..1..0..3..1..3..0....3..2..2..3..2..2..3..2....1..3..0..1..3..0..1..3

CROSSREFS

Sequence in context: A330427 A289824 A321494 * A074484 A186583 A043666

Adjacent sequences: A252100 A252101 A252102 * A252104 A252105 A252106

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2014

STATUS

approved