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!)
A236715 Number of (n+1) X (4+1) 0..2 arrays colored with the maximum plus the lower median of every 2 X 2 subblock. 1
9608, 68906, 380270, 2393308, 15926522, 110056116, 727209392, 4738099148, 32015122020, 217298090312, 1436274615496, 9517051552380, 64153905972422, 430393361987034, 2857464273227506, 19068459094766516, 127990721231873378 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236719.

LINKS

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

EXAMPLE

Some solutions for n=2:

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

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

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

CROSSREFS

Sequence in context: A230020 A034626 A031596 * A233913 A031653 A253520

Adjacent sequences:  A236712 A236713 A236714 * A236716 A236717 A236718

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 30 2014

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 July 8 19:20 EDT 2020. Contains 335524 sequences. (Running on oeis4.)