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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A207791 Number of (n+1) X (n+1) 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. 0
 256, 37408, 22773384, 51169273632, 507960770486000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A207799. LINKS Table of n, a(n) for n=1..5. EXAMPLE Some solutions for n=3: ..1..2..1..2....0..2..0..1....1..1..3..2....2..0..3..0....2..0..3..1 ..3..0..1..2....2..1..0..0....0..3..3..0....0..2..2..1....1..2..2..3 ..1..1..3..2....0..1..1..2....1..0..2..1....0..3..2..0....0..2..0..3 ..2..1..0..1....0..0..2..1....1..2..2..0....1..0..2..2....2..2..1..2 CROSSREFS Sequence in context: A221091 A205458 A206744 * A018798 A017320 A187455 Adjacent sequences: A207788 A207789 A207790 * A207792 A207793 A207794 KEYWORD nonn AUTHOR R. H. Hardin, Feb 20 2012 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 9 18:07 EDT 2024. Contains 375765 sequences. (Running on oeis4.)