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!)
A237209 Number of (n+1)X(6+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
581660, 31758656, 1448414238, 89734494932, 4937949728725, 316488296606660, 18626989825961382, 1223575898046133510, 74470416745873430410, 4982064575627911752987, 309072249721839616418654 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A237211

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A204731 A119402 A187374 * A234226 A190682 A231253

Adjacent sequences:  A237206 A237207 A237208 * A237210 A237211 A237212

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 05 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 August 2 21:30 EDT 2021. Contains 346429 sequences. (Running on oeis4.)