A209473 Number of nX5 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

21, 4357, 872155, 128482557, 18325569581, 2562183150939, 361061356214305, 51319914886788615, 7305894279344843019, 1039334276592539794039, 147753108120172416661659, 21001491074931334724912493

Offset

1,1

Comments

Column 5 of A209476

Links

R. H. Hardin, Table of n, a(n) for n = 1..146

Example

Some solutions for n=3
..0..0..1..2..2....0..0..2..1..0....1..2..1..1..0....1..1..0..2..2
..2..2..1..2..0....1..2..1..1..2....1..1..0..2..0....2..1..0..1..1
..2..2..0..2..2....1..2..0..2..0....1..2..2..2..2....2..2..2..2..2

Crossrefs

Sequence in context: A264250 A250064 A200998 * A055416 A220620 A221120

Adjacent sequences: A209470 A209471 A209472 * A209474 A209475 A209476

Keyword

nonn

Author

R. H. Hardin, Mar 09 2012

Status

approved