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A269205 Number of 5Xn 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once. 1
1024, 132300, 8314020, 555862380, 34838403756, 2135938293684, 128136007344516, 7568312936979972, 441444334269067260, 25489789190515708236, 1459585457554075237908, 82994548126187965994148 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A269201.

LINKS

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

R. H. Hardin, Empirical recurrence of order 52

FORMULA

Empirical recurrence of order 52 (see link above)

EXAMPLE

Some solutions for n=2

..1..3. .1..0. .1..3. .1..0. .2..2. .1..3. .1..0. .0..2. .1..0. .2..2

..1..3. .3..3. .3..1. .0..2. .3..2. .1..1. .2..0. .0..2. .1..0. .0..0

..2..0. .3..3. .0..3. .2..0. .2..3. .0..1. .2..0. .2..1. .1..3. .1..3

..1..0. .3..2. .1..0. .2..3. .2..3. .0..0. .0..3. .3..3. .1..3. .1..3

..0..2. .0..2. .0..0. .2..0. .3..1. .2..0. .1..0. .3..1. .3..1. .2..0

CROSSREFS

Cf. A269201.

Sequence in context: A224394 A224027 A174155 * A224284 A224207 A017033

Adjacent sequences:  A269202 A269203 A269204 * A269206 A269207 A269208

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2016

STATUS

approved

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Last modified October 27 06:31 EDT 2021. Contains 348271 sequences. (Running on oeis4.)