login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A223400 4X4 square grid graph coloring a rectangular array: number of nX6 0..15 arrays where 0..15 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph 1
5096, 943016, 199425400, 43699580872, 9705525235832, 2167784359988816, 485449397967176280, 108848309856453879360, 24421716229987194638264, 5481164676275390586552248, 1230391852175808762117043648 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A223402

LINKS

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

EXAMPLE

Some solutions for n=3

..4..0..4..0..1..5....4..0..4..5..1..0....4..0..1..5..9.10....4..0..4..8..9.13

..0..4..0..4..5..9....0..4..5..1..5..1....0..1..2..6.10.11....0..4..0..4..8..9

..4..5..1..0..4..8....4..0..1..2..1..2....4..0..1..5..9.10....4..0..1..0..4..5

Vertex neighbors:

0 -> 1 4

1 -> 0 2 5

2 -> 1 3 6

3 -> 2 7

4 -> 0 5 8

5 -> 4 1 6 9

6 -> 5 2 7 10

7 -> 6 3 11

8 -> 4 9 12

9 -> 8 5 10 13

10 -> 9 6 11 14

11 -> 10 7 15

12 -> 8 13

13 -> 12 9 14

14 -> 13 10 15

15 -> 14 11

CROSSREFS

Sequence in context: A034286 A260069 A252143 * A135842 A224492 A330730

Adjacent sequences:  A223397 A223398 A223399 * A223401 A223402 A223403

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 19 2013

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 January 26 20:49 EST 2022. Contains 350599 sequences. (Running on oeis4.)