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!)
A206174 Number of 6X(n+1) 0..3 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..3 introduced in row major order 1
68342, 3814022, 345652310, 37242588902, 4224315021758, 490998144726398, 57870112115269814, 6882416749941702614, 823402165182292576766, 98900725393240631717630, 11910321850378391822538614 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A206169

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=4

..0..0..0..0..0....0..0..0..0..0....0..0..1..0..1....0..0..0..0..0

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

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

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

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

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

CROSSREFS

Sequence in context: A206193 A209855 A206665 * A205428 A205203 A205061

Adjacent sequences:  A206171 A206172 A206173 * A206175 A206176 A206177

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 04 2012

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 21 18:55 EDT 2022. Contains 353926 sequences. (Running on oeis4.)