A252086 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4

3650, 19910, 132875, 846257, 5474209, 35987921, 235656844, 1544714826, 10150201969, 66639770473, 437387173890, 2872281321064, 18863676200386, 123871142611349, 813420551223553, 5341683597446143, 35078666125500642

Offset

1,1

Comments

Column 6 of A252088

Links

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

Example

Some solutions for n=3
..0..0..2..0..0..0..0..0....2..2..2..1..2..2..2..2....2..0..0..0..0..0..2..0
..2..0..0..0..0..0..0..2....2..2..2..2..2..2..2..2....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....1..2..2..2..2..2..2..1....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..2..0....2..2..2..2..2..2..2..2....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....2..1..2..2..2..2..2..2....0..0..2..0..0..0..0..0

Crossrefs

Sequence in context: A186870 A185613 A232837 * A212852 A183781 A252678

Adjacent sequences: A252083 A252084 A252085 * A252087 A252088 A252089

Keyword

nonn

Author

R. H. Hardin, Dec 13 2014

Status

approved