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!)
A198652 Number of nX5 0..6 arrays with values 0..6 introduced in row major order and each element equal to at least one horizontal or vertical neighbor 0
3, 488, 98467, 39898934, 21787578805, 15022218265442 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A198654

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions with all values 0 to 6 for n=4

..0..0..1..1..2....0..0..0..1..2....0..0..1..2..2....0..0..0..0..0

..0..3..4..2..2....0..1..3..1..2....0..1..1..3..4....0..1..2..2..3

..0..3..4..5..5....2..1..3..4..4....5..6..1..3..4....4..1..5..5..3

..6..6..6..6..5....2..5..5..6..6....5..6..6..5..5....4..6..6..1..1

CROSSREFS

Sequence in context: A045616 A198705 A198624 * A198659 A142801 A057632

Adjacent sequences:  A198649 A198650 A198651 * A198653 A198654 A198655

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 28 2011

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 February 17 21:46 EST 2020. Contains 332006 sequences. (Running on oeis4.)