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!)
A232386 Number of (n+1)X(3+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal 1
78, 192, 1192, 4646, 24848, 120264, 589172, 2974842, 14684400, 73356856, 366069576, 1823482622, 9105338968, 45429265214, 226696769918, 1131682247286, 5648099378356, 28193675408362, 140735701677746, 702504316645786 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A232391

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A119146 A044410 A044791 * A257484 A068130 A118938

Adjacent sequences:  A232383 A232384 A232385 * A232387 A232388 A232389

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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 10 19:57 EDT 2022. Contains 356039 sequences. (Running on oeis4.)