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!)
A301613 Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. 1
5, 361, 12467, 421025, 14345706, 488491106, 16632517333, 566336198475, 19283659583317, 656605634861657, 22357328417975688, 761263743052450453, 25920919868772588676, 882603544282198427622, 30052522164474593294535 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A301615.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..0. .0..0..1..1..1..1. .0..0..0..1..1..1. .0..0..0..1..1..0
..0..0..1..0..0..0. .0..0..1..1..0..0. .0..0..1..1..0..1. .0..0..1..0..0..0
..0..0..0..1..1..0. .0..0..1..0..1..1. .0..0..1..1..0..1. .0..0..1..1..0..0
..0..1..1..1..0..1. .0..1..1..0..1..1. .0..1..0..0..1..1. .0..0..1..0..0..1
..0..0..1..0..0..1. .0..0..1..1..1..1. .0..1..1..0..0..0. .0..0..0..1..1..1
CROSSREFS
Cf. A301615.
Sequence in context: A061456 A218994 A006430 * A180766 A007667 A247082
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 24 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 27 16:21 EST 2024. Contains 370378 sequences. (Running on oeis4.)