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!)
A265927 Number of nX7 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique. 1
17012, 1119424, 3883480, 13716476, 53801792, 238485164, 1135042936, 5759992224, 29783744648, 159386938728, 851999276304, 4668283409720, 25354240124600, 140755677796776, 771872865387920, 4322800211903112, 23867120132045176 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A265928.

LINKS

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

R. H. Hardin, Empirical recurrence of order 48

FORMULA

Empirical recurrence of order 48 (see link above)

EXAMPLE

Some solutions for n=1

..1..1..4..4..0..0..4....1..1..3..3..0..1..1....0..2..3..3..2..0..4

CROSSREFS

Cf. A265928.

Sequence in context: A300151 A205232 A265972 * A252647 A332100 A252129

Adjacent sequences:  A265924 A265925 A265926 * A265928 A265929 A265930

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 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 October 20 10:43 EDT 2021. Contains 348100 sequences. (Running on oeis4.)