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!)
A239028 Number of nX6 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of elements above it, modulo 3 1
1, 7, 22, 189, 757, 7265, 33699, 339315, 1719471, 17562449, 93885393, 958423704, 5294453737, 53749275243, 303098123295, 3057605672892, 17472132232105, 175268385351709, 1010298392497549, 10088889232010085, 58495304591252863 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A239030
LINKS
FORMULA
Empirical recurrence of order 90 (see link above)
EXAMPLE
Some solutions for n=5
..2..0..0..0..0..0....2..0..0..0..0..0....2..0..0..0..0..0....2..0..0..0..0..0
..1..0..0..2..2..0....1..0..0..2..2..0....1..0..0..0..0..0....1..2..2..0..0..0
..2..0..0..1..1..2....2..0..0..1..2..0....2..0..0..0..0..0....2..1..1..2..2..0
..2..0..0..0..0..1....1..2..2..0..0..0....1..2..2..0..0..0....2..0..0..1..2..0
..1..0..0..2..2..0....2..1..2..0..0..0....2..1..1..0..0..2....1..0..0..0..0..0
CROSSREFS
Sequence in context: A194996 A330089 A000835 * A335638 A197991 A197853
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 09 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 March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)