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!)
A202887 Number of nX6 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
121, 96941, 45332961, 19914296913, 9024909392725, 4095290003129296, 1855037301620277541, 840314045399310110892, 380686256792369384392819, 172460622525800448862240139, 78128840457226148615810468318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A202889

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Sequence in context: A218287 A129450 A232279 * A195275 A082489 A028463

Adjacent sequences:  A202884 A202885 A202886 * A202888 A202889 A202890

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 25 2011

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 May 29 16:43 EDT 2020. Contains 334704 sequences. (Running on oeis4.)