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!)
A237907 Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
12552, 271292, 5802892, 117244060, 2545423850, 54765533116, 1229739987068, 25859231001772, 572677142025500, 12256839365619344, 274446812486494650, 5811968228325930212, 129277784383589027936, 2756845598807837512512 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237911

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A045217 A298313 A225151 * A251296 A205757 A205587

Adjacent sequences:  A237904 A237905 A237906 * A237908 A237909 A237910

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 15 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 2 06:08 EDT 2022. Contains 357191 sequences. (Running on oeis4.)