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!)
A316128 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
5, 333, 3421, 36480, 493599, 6605359, 83789779, 1087380450, 14339113742, 187117270428, 2435717884656, 31850097971470, 416308632912944, 5434155880969308, 70971271902000357, 927170796506608147 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A316130.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316130.

Sequence in context: A316639 A304695 A316446 * A317434 A029495 A086900

Adjacent sequences:  A316125 A316126 A316127 * A316129 A316130 A316131

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 28 20:26 EDT 2021. Contains 347717 sequences. (Running on oeis4.)