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A209475 Number of nX7 0..2 arrays with every element value z a city block distance of exactly z from another element value z 0
97, 175599, 283656566, 325528559843, 361061356214305, 390085680484869503, 423899279234753748599 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A209476
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..1..0..0..0....1..2..0..1..2..2..0....2..0..0..0..0..1..0
..2..2..2..1..1..0..0....1..0..0..1..2..0..1....0..2..0..2..2..1..2
..2..2..2..1..1..0..0....0..2..1..1..2..0..1....0..2..0..2..2..2..2
CROSSREFS
Sequence in context: A220982 A193825 A338779 * A186167 A322606 A145309
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 09 2012
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)