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!)
A251827 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6 1
160322, 1095314, 12830794, 60427490, 951770218, 12583469514, 56477451898, 971710872170, 13469722571314, 58074471696954, 1056264647119474, 14968881307527330, 63216797183919018, 1182333190651608594 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A251829
LINKS
FORMULA
Empirical recurrence of order 79 (see link above)
EXAMPLE
Some solutions for n=1
..0..3..2..3..0..2..3..3....0..0..2..3..0..2..0..3....0..0..2..0..0..2..2..1
..1..1..0..1..1..0..1..1....0..1..3..1..1..3..1..1....0..0..2..3..3..3..2..2
..0..3..2..0..0..2..3..3....0..0..2..0..0..2..0..0....1..1..3..1..1..3..0..2
CROSSREFS
Sequence in context: A141816 A097626 A212081 * A115536 A250056 A214805
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
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 March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)