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!)
A233477 Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally or vertically 1
432047816, 264110152411, 157745111994988, 94192817031882237, 56144572756093218532, 33464589643594017658068, 19943610614570401668122830, 11885592674748739620208778761, 7083262038757043890993319580932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A233480

LINKS

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

EXAMPLE

Some solutions for n=1

..0..0..0..0..0....0..0..0..0..0....0..0..0..0..1....0..0..0..0..1

..0..1..1..3..1....2..0..0..0..0....0..2..0..2..0....0..2..0..0..0

..0..0..0..2..1....0..3..1..3..1....1..0..1..0..2....3..1..0..2..0

CROSSREFS

Sequence in context: A017408 A017528 A283872 * A117631 A022229 A022260

Adjacent sequences:  A233474 A233475 A233476 * A233478 A233479 A233480

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 11 2013

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 February 28 01:53 EST 2020. Contains 332319 sequences. (Running on oeis4.)