The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A258679 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum 1
1115136, 18974736, 451647504, 10750371856, 221012814400, 4543718560000, 100604912040000, 2227547369610000, 47649380267264400, 1019266064026229776, 22202539749936066816, 483635027933987475456, 10438893202415728548096 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A258681
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..1..1..0..1..1....0..0..0..0..0..1..1..0....0..0..0..0..1..1..0..1
..1..0..1..1..1..1..1..1....0..1..0..1..1..1..0..1....0..0..1..1..0..0..0..0
..0..1..1..1..0..1..1..0....1..1..0..0..1..0..1..0....0..0..1..1..0..0..0..1
CROSSREFS
Sequence in context: A205735 A205916 A205908 * A324647 A245662 A186066
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 07 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 27 00:30 EDT 2024. Contains 372847 sequences. (Running on oeis4.)