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A275569 Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2. 1
24, 3456, 7200, 15000, 57600, 221184, 867456, 3402054, 13630806, 54613734, 221152134, 895530534, 3642889494, 14818750854, 60456102318, 246642942006, 1008264289032, 4121735121504, 16864876108080, 69005901096600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A275565.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A275565.

Sequence in context: A299697 A072529 A159681 * A071639 A061530 A275637

Adjacent sequences:  A275566 A275567 A275568 * A275570 A275571 A275572

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 01 2016

STATUS

approved

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Last modified August 25 09:58 EDT 2019. Contains 326324 sequences. (Running on oeis4.)