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A204229 Number of (n+1)X8 0..2 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards 1
751689, 67329896, 5466340007, 239090847020, 10297878073062, 271354063234561, 7163822258608797, 130426974499112184 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A204230
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2..1..2..0..0..1....1..1..0..1..0..1..1..1....1..1..0..2..2..2..2..2
..0..0..0..1..0..2..2..2....0..2..1..2..1..2..0..2....1..2..2..2..0..2..1..2
..1..2..1..2..2..1..2..1....1..1..0..1..0..1..1..1....0..2..0..2..2..2..2..2
..2..0..2..0..1..2..2..2....1..1..2..1..2..2..2..2....2..2..2..2..1..2..1..2
..1..2..1..2..2..1..2..1....1..1..2..1..2..1..2..1....0..2..0..2..2..2..2..2
CROSSREFS
Sequence in context: A205519 A166001 A253374 * A290161 A244308 A273971
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 13 2012
STATUS
approved

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Last modified February 25 17:36 EST 2024. Contains 370332 sequences. (Running on oeis4.)