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!)
A252949 Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order 1
48024, 262494, 1784781, 13646115, 110574774, 919418760, 7763464440, 66003601788, 563165929260, 4814005980501, 41185929329001, 352531934350965, 3018217684914378, 25843545938825991, 221299439996922372 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A252952
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..0..2..0..2....0..1..1..0..0..2..2....0..1..1..2..1..2..1
..0..2..0..0..1..1..0....2..0..2..0..0..2..0....1..1..0..1..1..2..2
..1..1..2..1..2..1..2....2..1..1..2..1..1..2....1..2..1..1..0..1..1
CROSSREFS
Sequence in context: A236716 A234297 A043615 * A203547 A156117 A254771
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 25 2014
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 April 24 07:06 EDT 2024. Contains 371920 sequences. (Running on oeis4.)