login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A205243 Number of (n+1)X6 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors 1
111041, 2873148, 97718448, 2954664074, 96890744524, 3053080325738, 98979850888752, 3147626098090446, 101661714691938195, 3244508348779174674, 104561582249103669993, 3343583637884068117018, 107597913060577040448668 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205246

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A175535 A103874 A195223 * A223110 A094325 A171725

Adjacent sequences:  A205240 A205241 A205242 * A205244 A205245 A205246

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 24 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 16 19:49 EDT 2021. Contains 345068 sequences. (Running on oeis4.)