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!)
A230914 Number of nX7 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero 1
0, 32, 17694, 4725576, 1406791226, 433315174684, 132452949993492, 40377009411879390, 12312133218182190396, 3754741447813230806820, 1145012085042280823184860, 349169214981668401382285878 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A230915

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..37

EXAMPLE

Some solutions for n=3

..0..1..2..1..0..7..6....0..1..2..3..4..5..4....0..1..0..5..6..7..0

..0..3..4..7..4..5..4....6..7..2..3..6..5..2....2..3..4..5..6..1..0

..2..5..6..3..2..3..2....0..1..0..7..4..3..2....2..3..4..3..2..7..6

CROSSREFS

Sequence in context: A121913 A016877 A227659 * A232596 A123393 A245291

Adjacent sequences:  A230911 A230912 A230913 * A230915 A230916 A230917

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 01 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 October 22 01:48 EDT 2021. Contains 348160 sequences. (Running on oeis4.)