login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A229670 Number of defective 4-colorings of an nX6 0..3 array connected horizontally, antidiagonally and vertically with exactly two mistakes, and colors introduced in row-major 0..3 order 1
50, 33152, 1673561, 50919512, 1289285440, 29775277216, 649844491552, 13636997291008, 277914152727936, 5535687600455328, 108250711858308992, 2084927957331161856, 39646876001815559424, 745764910064051742464 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A229672

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 63

FORMULA

Empirical recurrence of order 63 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A034205 A173170 A146518 * A152514 A015062 A015038

Adjacent sequences:  A229667 A229668 A229669 * A229671 A229672 A229673

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 27 2013

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 January 19 09:51 EST 2021. Contains 340269 sequences. (Running on oeis4.)