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A275095 Number of 7Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. 1
365, 104976, 155904, 675600, 4706400, 48675088, 512150588, 5409118916, 58485063272, 627063902032, 6757273029432, 72848042422536, 785795946135408, 8476340619088292, 91452795188833412, 986763165449841128 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A275090.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..73

EXAMPLE

Some solutions for n=3

..0..1..1. .0..1..1. .0..1..1. .0..0..1. .0..0..1. .0..0..1. .0..0..1

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

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

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

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

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

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

CROSSREFS

Cf. A275090.

Sequence in context: A275265 A233097 A223386 * A275351 A241376 A208566

Adjacent sequences:  A275092 A275093 A275094 * A275096 A275097 A275098

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 16 2016

STATUS

approved

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Last modified February 24 10:35 EST 2020. Contains 332209 sequences. (Running on oeis4.)