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A276252 Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2. 1
122, 2304, 5671, 36744, 291113, 2069454, 17450554, 141165944, 1075068633, 8722058423, 70283762776, 549061777779, 4393994452605, 35216257735083, 278169606460673, 2216529301439897, 17704473017525506, 140499576312114974 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A276248.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A276248.

Sequence in context: A249532 A222991 A208049 * A259528 A192870 A208432

Adjacent sequences:  A276249 A276250 A276251 * A276253 A276254 A276255

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 25 2016

STATUS

approved

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Last modified October 23 19:26 EDT 2021. Contains 348215 sequences. (Running on oeis4.)