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!)
A298557 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
3, 174, 796, 4304, 24364, 138774, 781071, 4432262, 25124403, 142234863, 806138743, 4569541386, 25893792606, 146748270319, 831716656289, 4713611192492, 26713984720758, 151401393855722, 858059003257182, 4863005923218672 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A298560.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A298560.

Sequence in context: A053930 A053920 A297948 * A298767 A299564 A298386

Adjacent sequences:  A298554 A298555 A298556 * A298558 A298559 A298560

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 21 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 January 28 20:33 EST 2022. Contains 350662 sequences. (Running on oeis4.)