login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A265168 Number of nX3 arrays containing 3 copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0. 0
0, 1, 6, 447, 40476, 5693966, 1109065142, 286017249449, 94359717938545, 38773039478955950 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 3 of A265170.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A265170.

Sequence in context: A270066 A001328 A174777 * A187514 A258873 A244195

Adjacent sequences:  A265165 A265166 A265167 * A265169 A265170 A265171

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 27 22:50 EST 2020. Contains 332319 sequences. (Running on oeis4.)