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!)
A254552 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
1964388, 3894656, 10792398, 32790229, 59892062, 174169154, 479026957, 1214424748, 3174330616, 8371947986, 22077132240, 59499764494, 162041829116, 441051167564, 1202699989327, 3278780408176, 8941296527014, 24410840480132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A254553

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..165

EXAMPLE

Some solutions for n=1

..0..0..0..0..1..0..1..0..0....0..0..0..1..0..1..1..1..1

..0..0..0..0..1..1..1..1..1....0..0..0..1..1..1..0..1..1

..0..0..1..1..1..0..1..1..1....0..0..0..1..0..0..0..1..1

CROSSREFS

Sequence in context: A236910 A251961 A067454 * A254559 A254482 A219434

Adjacent sequences: A254549 A254550 A254551 * A254553 A254554 A254555

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 March 21 10:30 EDT 2023. Contains 361402 sequences. (Running on oeis4.)