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A251834 Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6 1
518514, 20314774, 909331750, 35836727866, 1454229580342, 59837326193896, 2436875668334036, 99399713033369638, 4060471517492016406, 165723957019091450376, 6764170760285688696726, 276130043583793410625034 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251836

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..106

EXAMPLE

Some solutions for n=1

..0..0..0..1..0..1..0....0..0..1..0..0..0..1....0..0..0..0..0..0..1

..0..0..1..1..0..0..1....0..0..0..0..0..1..0....0..0..0..1..0..0..0

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

CROSSREFS

Sequence in context: A256952 A234173 A226287 * A157803 A236095 A186180

Adjacent sequences: A251831 A251832 A251833 * A251835 A251836 A251837

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 09 2014

STATUS

approved

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Last modified February 2 12:48 EST 2023. Contains 360021 sequences. (Running on oeis4.)