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A252395 Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 4 1
2302050, 203636149, 19516646285, 1721897188968, 153561179184793, 13852142421855853, 1245211877882127745, 111846699552528354489, 10053936707442905150238, 903736347830500195509268 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A252397
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1..1..0..0....0..0..1..1..1..1....0..0..1..0..1..1....0..0..0..0..0..0
..0..1..1..1..0..0....0..1..2..0..1..2....0..1..0..0..0..1....0..1..1..1..0..0
..0..1..1..1..0..0....0..0..0..0..1..0....0..1..2..0..0..0....0..2..0..0..0..0
CROSSREFS
Sequence in context: A324637 A186587 A358872 * A256733 A210493 A154676
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2014
STATUS
approved

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Last modified June 1 15:47 EDT 2023. Contains 363074 sequences. (Running on oeis4.)