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!)
A203029 Number of nX5 0..3 arrays with row sums equal and column sums unequal to adjacent columns 0
324, 57100, 8536230, 1267847188, 189412482924, 28369308592126, 4274880689220682, 646748880898087204, 98179070181179827284 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A203031

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some.solutions.for.n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A204082 A088216 A121001 * A298101 A209044 A209016

Adjacent sequences:  A203026 A203027 A203028 * A203030 A203031 A203032

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 27 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 24 00:51 EST 2020. Contains 332195 sequences. (Running on oeis4.)