login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A238045 Number of (n+1)X(7+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
466296, 11359816, 282305082, 7744640808, 209192156822, 5473296255556, 147986688652636, 3904264230944172, 105392396334723790, 2777680885375598596, 75020825767874962564, 1977256886272189712420, 53407776575399196292950 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A238046

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..39

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A257951 A213461 A051594 * A096889 A206205 A227767

Adjacent sequences:  A238042 A238043 A238044 * A238046 A238047 A238048

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 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 June 18 17:05 EDT 2019. Contains 324214 sequences. (Running on oeis4.)