The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A183591
1/24 the number of (n+1)X7 0..3 arrays with every 2X2 subblock containing exactly three distinct values
1
417152, 293504588, 202888369698, 140620157014391, 97427089099770040, 67504953898839080670, 46772256761288023913418, 32407200636226196823851489, 22454047915281010754446960190, 15557785658305920745251142731306
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 6 of
A183594
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions with a(1,1)=0 for 3X7
..0..0..0..0..1..0..0....0..0..0..0..1..0..1....0..0..0..0..1..0..1
..1..2..1..3..1..2..1....1..2..1..3..0..2..0....1..2..1..3..0..3..3
..0..0..0..0..0..2..3....0..0..0..1..0..1..1....0..0..0..1..0..1..2
CROSSREFS
Sequence in context:
A152869
A251960
A234663
*
A184770
A236909
A104920
Adjacent sequences:
A183588
A183589
A183590
*
A183592
A183593
A183594
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jan 05 2011
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 May 29 05:33 EDT 2024. Contains 372921 sequences. (Running on oeis4.)