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A266023 Number of nX6 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself. 1
16, 259, 1045, 19688, 336357, 4285397, 63460724, 950319651, 13831198142, 203362718849, 2996519345158, 44069974577249, 648396325752902, 9541613955300209, 140380983573276762, 2065580574184245251 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A266025.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..122

EXAMPLE

Some solutions for n=4

..2..1..1..1..0..0....1..1..2..1..0..0....1..1..2..1..0..0....1..1..2..1..0..1

..1..0..3..2..0..0....0..2..2..3..2..1....0..2..2..2..2..2....0..2..2..2..2..2

..1..2..2..1..2..0....0..1..2..1..3..2....0..1..3..1..1..1....2..1..2..1..0..1

..1..0..1..1..0..0....1..2..0..2..1..0....1..2..0..2..0..1....1..0..2..1..1..2

CROSSREFS

Cf. A266025.

Sequence in context: A041482 A320362 A220742 * A223623 A264532 A240368

Adjacent sequences:  A266020 A266021 A266022 * A266024 A266025 A266026

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

STATUS

approved

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Last modified September 22 16:50 EDT 2020. Contains 337291 sequences. (Running on oeis4.)