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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A183484 Number of n X n 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors 0
 1, 28, 281, 17260, 9580528, 2596400089 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A183492 LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for 3X3 ..2..3..0....0..0..0....0..0..0....0..3..3....2..2..0....0..3..3....3..3..0 ..2..3..0....2..1..2....3..2..2....0..2..2....1..1..0....0..0..0....0..0..0 ..0..0..0....2..1..2....3..2..2....0..1..1....2..2..0....1..1..0....2..2..0 CROSSREFS Sequence in context: A300297 A250649 A107418 * A241621 A027781 A219626 Adjacent sequences: A183481 A183482 A183483 * A183485 A183486 A183487 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 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.

Last modified September 22 08:47 EDT 2023. Contains 365519 sequences. (Running on oeis4.)