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!)
A233959 Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10 0
48, 864, 21272, 1037788, 75825248, 11722485528, 2840020818344, 1476118545404184, 1270676300695096504 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A233967
LINKS
EXAMPLE
Some solutions for n=3
..3..2..1..2....3..0..3..1....3..2..3..2....0..3..0..1....0..3..3..1
..3..0..3..0....2..1..0..2....3..0..1..0....2..1..2..3....3..2..0..0
..2..3..2..1....3..0..3..1....1..2..3..2....0..3..0..3....0..3..1..3
..0..3..0..3....2..3..2..0....0..3..0..3....2..1..0..1....1..0..2..0
CROSSREFS
Sequence in context: A014401 A241873 A233784 * A233177 A014703 A233674
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 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 May 30 04:28 EDT 2023. Contains 363044 sequences. (Running on oeis4.)