login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A204943 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..2 introduced in row major order 1
196710, 6907192, 251120928, 8198499322, 294418611660, 10877410840441, 387329149822723, 14039866230955531, 513928470974694563, 18635293583238856086, 677667296882219504310, 24717008390163353250212 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A204945

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A037148 A175744 A024211 * A113919 A001379 A247242

Adjacent sequences:  A204940 A204941 A204942 * A204944 A204945 A204946

KEYWORD

nonn

AUTHOR

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

License Agreements, Terms of Use, Privacy Policy .

Last modified December 9 04:50 EST 2016. Contains 278960 sequences.