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!)
A304424 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
3, 383, 5227, 98190, 1712347, 30362267, 536823135, 9501018264, 168137854364, 2975798466045, 52667917505864, 932167979824643, 16498484378035160, 292008101571549769, 5168281649176848170, 91473995207640848424 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A304427.

LINKS

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

R. H. Hardin, Empirical recurrence of order 90

FORMULA

Empirical recurrence of order 90 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304427.

Sequence in context: A157577 A062604 A160192 * A316279 A305958 A317219

Adjacent sequences:  A304421 A304422 A304423 * A304425 A304426 A304427

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 12 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 May 20 23:05 EDT 2022. Contains 353886 sequences. (Running on oeis4.)