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A251639 Number of (n+2)X(2+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3 1
429399, 29245729, 2000922455, 136454122643, 9309440987703, 635207928799359, 43339294278011643, 2956993750309090701, 201753135616556184199, 13765424797557082160031, 939201967205489895161245 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A251641
LINKS
EXAMPLE
Some solutions for n=1
..0..1..2..0....0..0..0..1....0..1..2..2....0..1..2..0....0..1..1..1
..1..1..2..1....2..2..2..2....2..2..0..2....2..2..0..1....2..1..1..1
..1..0..1..0....2..2..1..1....2..0..2..1....1..1..0..0....0..1..1..1
CROSSREFS
Sequence in context: A209794 A234448 A269798 * A051595 A234857 A186593
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2014
STATUS
approved

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Last modified May 19 10:22 EDT 2024. Contains 372683 sequences. (Running on oeis4.)