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A196313 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,4,1,3 for x=0,1,2,3,4 1
17, 123, 728, 13277, 132202, 1194982, 11575179, 157085533, 1846682222, 18830197948, 204138811128, 2267817750300, 25185129693320, 280519702209453, 3182410412743494, 35203253665728279, 385376356755364192 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 4's, every 3 is next to 3 1's, every 4 is next to 4 3's
Column 7 of A196314
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1..1..1..0....0..1..3..1..3..1..0....1..1..0..0..0..0..0
..1..1..1..0..0..3..1....0..1..1..0..1..1..1....0..3..1..1..3..1..1
..1..1..1..3..1..1..3....0..1..3..1..3..0..1....0..1..1..1..1..1..1
..0..0..0..1..1..0..1....1..1..0..1..1..0..1....1..1..0..0..0..0..0
CROSSREFS
Sequence in context: A031213 A196145 A021003 * A196286 A196336 A297975
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 01 2011
STATUS
approved

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Last modified May 28 18:29 EDT 2024. Contains 372919 sequences. (Running on oeis4.)