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!)
A295210 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s. 1
1, 14, 102, 916, 9536, 85215, 775547, 7213161, 66719868, 617206899, 5712427735, 52846385777, 488921918232, 4523682017995, 41853575267115, 387232937869441, 3582725192257390, 33147778088300382, 306687046141834012 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A295213.
LINKS
FORMULA
Empirical recurrence of order 78 (see link above)
EXAMPLE
Some solutions for n=6
..1..1..0..0..0. .1..1..1..1..1. .0..1..1..1..1. .1..1..1..1..1
..1..1..0..0..0. .1..1..0..1..1. .0..1..0..0..1. .1..0..0..1..1
..1..0..1..1..1. .1..0..0..1..1. .0..1..1..1..1. .1..1..1..1..0
..1..1..1..0..1. .1..0..0..1..1. .0..1..0..0..0. .1..0..1..1..0
..0..0..1..1..1. .1..1..0..1..0. .0..1..1..1..0. .1..1..0..0..0
..0..0..1..1..1. .1..1..1..1..0. .0..1..1..1..0. .1..1..0..0..0
CROSSREFS
Cf. A295213.
Sequence in context: A055913 A283805 A005757 * A255721 A089508 A161475
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 17 2017
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 July 23 11:07 EDT 2024. Contains 374549 sequences. (Running on oeis4.)