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!)
A205923 Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero 1
43572, 625713, 2570656, 40724536, 160958484, 2853968414, 10728448308, 211429772688, 754561785732, 16278205531616, 55286226231796, 1284908055552116, 4173733499632580, 103047990229862968, 322043332960925984 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A205926
LINKS
EXAMPLE
Some solutions for n=4
..3..1..0..1..0..1....1..2..3..2..3..3....1..0..1..3..3..2....3..2..2..0..3..1
..0..1..1..1..1..1....2..2..2..2..2..3....1..1..1..1..3..1....0..1..2..2..3..3
..1..1..2..1..3..0....2..0..2..3..2..2....2..1..3..1..1..1....1..1..1..2..2..3
..1..2..2..3..3..3....2..2..2..2..2..3....1..1..1..1..2..3....1..2..1..1..2..2
..2..2..3..3..1..2....0..2..0..1..2..2....3..0..1..2..2..2....1..1..1..2..2..1
CROSSREFS
Sequence in context: A224623 A210331 A233690 * A251995 A094493 A342580
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 01 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)