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!)
A266024 Number of nX7 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself. 0
25, 719, 3394, 110924, 3254726, 63460724, 1577145547, 38948760562, 916245375526, 22100022039548, 535029907435345, 12865137927698631 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A266025.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A266025.

Sequence in context: A099365 A215017 A266100 * A217996 A246906 A286439

Adjacent sequences:  A266021 A266022 A266023 * A266025 A266026 A266027

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

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 September 19 13:13 EDT 2020. Contains 337178 sequences. (Running on oeis4.)