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A209364
Number of nX5 1..3 arrays with every element value z a city block distance of exactly z from another element value z
0
2, 690, 207438, 42033202, 5995346079, 786021209045
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A209365
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=3
..1..1..2..3..2....1..1..1..1..1....1..2..3..2..1....1..2..3..1..3
..1..2..3..1..3....2..2..3..2..1....1..2..1..2..1....1..1..3..1..3
..2..3..3..1..3....3..2..2..2..2....1..3..1..3..2....3..2..3..1..3
CROSSREFS
Sequence in context: A120123 A140014 A188698 * A106301 A127623 A115474
Adjacent sequences: A209361 A209362 A209363 * A209365 A209366 A209367
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 06 2012
STATUS
approved

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Last modified October 4 23:29 EDT 2024. Contains 376525 sequences.
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