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A275035 Number of nX6 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2. 1
16, 432, 1152, 8273, 57984, 421793, 3056856, 22207559, 160767947, 1166126087, 8461160013, 61425788827, 445787882372, 3235147655180, 23477974651336, 170398268043384, 1236726092295065, 8975919178977093, 65144744923024289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A275037.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A275037.

Sequence in context: A202546 A220286 A322713 * A275140 A274731 A111921

Adjacent sequences:  A275032 A275033 A275034 * A275036 A275037 A275038

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 14 2016

STATUS

approved

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Last modified January 22 19:22 EST 2022. Contains 350489 sequences. (Running on oeis4.)