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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A233703 Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards 1
336085716, 153005653333, 64757179869158, 27085905767473141, 11212752865793034944, 4631460210359384478490, 1910166828569356248670720, 787520591294663746255808417, 324604863253952019036640374588 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A233705

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..103

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A222978 A271112 A337385 * A230085 A204337 A113739

Adjacent sequences:  A233700 A233701 A233702 * A233704 A233705 A233706

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 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 December 4 12:55 EST 2021. Contains 349525 sequences. (Running on oeis4.)