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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A232369 Number of n X n 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal 0
1, 14, 586, 63744, 27133338, 47301712998, 319646954776850, 8418146420087467712, 876192348419528567402450 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A232376

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A166185 A269478 A269645 * A218412 A129007 A041845

Adjacent sequences:  A232366 A232367 A232368 * A232370 A232371 A232372

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 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 November 27 18:22 EST 2020. Contains 338683 sequences. (Running on oeis4.)