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A205025 Number of (n+1)X7 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards 1
2470216, 888172440, 139786868632, 42501311863619, 8486771114466915, 2391551925319245318, 566608180773299047113, 155382071318023786051201, 40101253859407159274129669, 10933319692657383714277445869 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A205027
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1..1..3..0....1..0..0..0..0..3..1....0..3..1..1..1..3..0
..0..0..0..0..0..0..0....2..0..1..3..0..2..1....0..3..1..1..1..3..1
..0..2..1..2..0..2..3....0..0..0..0..0..2..2....0..3..1..1..1..3..2
..0..0..0..0..0..2..3....2..0..3..0..0..1..2....0..3..1..1..1..3..3
..2..3..2..3..0..2..3....1..0..1..0..0..0..2....0..0..0..0..0..0..1
CROSSREFS
Sequence in context: A257188 A254988 A097968 * A254774 A254781 A254727
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
STATUS
approved

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Last modified June 24 22:33 EDT 2024. Contains 373690 sequences. (Running on oeis4.)