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!)
A300680 Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
1, 42, 58, 245, 1382, 9015, 54361, 338173, 2152660, 13818749, 88065216, 561506884, 3594611840, 22972741078, 146835080662, 938877932315, 6002943788616, 38380680312986, 245393290686015, 1569003851769309, 10031859337955923 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A300682.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300682.

Sequence in context: A043207 A043987 A300378 * A053323 A248441 A119650

Adjacent sequences:  A300677 A300678 A300679 * A300681 A300682 A300683

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 11 2018

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 25 12:00 EST 2021. Contains 341606 sequences. (Running on oeis4.)