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!)
A254590 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
332330, 3699505, 42278366, 548753241, 7610621332, 103508337281, 1378994189975, 18153660429271, 236606904631381, 3061665198195311, 39430627777720264, 506211331403147283, 6485200850937464295, 82971100459297212687 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A254586
LINKS
EXAMPLE
Some solutions for n=1
..1..1..0....1..0..1....1..1..0....0..0..1....1..1..0....1..1..0....1..0..0
..0..0..1....0..0..1....0..0..0....0..1..1....0..0..0....0..0..1....0..1..0
..1..0..0....1..0..0....1..0..0....0..0..1....1..0..1....0..0..1....0..0..1
..1..0..1....0..1..1....1..1..1....1..1..1....1..0..0....1..1..1....1..0..1
..0..0..1....0..1..1....1..0..1....1..0..0....1..0..0....0..1..1....1..1..1
..1..1..1....1..1..0....0..1..1....1..1..1....1..1..0....0..1..1....0..0..1
..0..0..0....1..1..0....1..1..0....0..1..1....1..0..1....1..1..1....1..1..0
CROSSREFS
Sequence in context: A258897 A237331 A254583 * A254358 A206658 A069337
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 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 April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)