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!)
A217452 Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X 3 array. 1
9, 69, 613, 4361, 35067, 271863, 2122623, 16577231, 129398981, 1010161409, 7886865189, 61570433261, 480690831603, 3752745812035, 29297882184787, 228729463311571, 1785699822954649, 13941021624348057, 108838075075791297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A217457.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..43

EXAMPLE

Some solutions for n=3:

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

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

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

CROSSREFS

Cf. A217457.

Sequence in context: A126530 A351810 A152273 * A193706 A275680 A167534

Adjacent sequences: A217449 A217450 A217451 * A217453 A217454 A217455

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 03 2012

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 March 20 22:57 EDT 2023. Contains 361392 sequences. (Running on oeis4.)