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A275503 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2. 1
365, 69984, 50000, 73856, 75024, 346528, 1643372, 7886280, 37846556, 182923008, 884628720, 4276847052, 20741192940, 100647222904, 488252256740, 2372706557348, 11527428408920, 56008813182076, 272332971514256 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A275504.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A275504.

Sequence in context: A275227 A281610 A233072 * A275400 A275265 A233097

Adjacent sequences:  A275500 A275501 A275502 * A275504 A275505 A275506

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 30 2016

STATUS

approved

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Last modified October 27 09:36 EDT 2021. Contains 348272 sequences. (Running on oeis4.)