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!)
A317462 Number of nX5 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
0, 61, 636, 16809, 386855, 9178195, 217053933, 5142922330, 121842389647, 2886923933239, 68403529968491, 1620780281086663, 38403475477325272, 909949365172380123, 21560755938721401485, 510870432814905398479 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A317465.

LINKS

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

R. H. Hardin, Empirical recurrence of order 61

FORMULA

Empirical recurrence of order 61 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317465.

Sequence in context: A316508 A068850 A142667 * A283869 A173805 A092571

Adjacent sequences:  A317459 A317460 A317461 * A317463 A317464 A317465

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 28 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 March 30 22:55 EDT 2020. Contains 333132 sequences. (Running on oeis4.)