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A201622 Number of nX5 0..3 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor 1
16, 718, 31802, 2111763, 136175057, 8368969235, 464328365996, 23135668030252, 1040850319379231, 42653434489979374, 1606362705401822170, 56058651943376958129, 1826011093775518985924, 55867244848599391254270 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A201625
LINKS
EXAMPLE
Some solutions for n=3
..0..0..2..3..3....0..0..1..1..1....0..1..1..3..3....0..0..1..2..2
..0..2..2..0..3....2..2..0..3..3....0..2..2..0..1....1..1..1..1..1
..3..3..2..0..0....3..3..0..0..0....2..2..2..0..1....1..1..2..2..2
CROSSREFS
Sequence in context: A294704 A264114 A356482 * A362574 A220809 A221023
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 03 2011
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)