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!)
A254480 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically 1
170504, 603895, 2289173, 8704471, 24234594, 71273789, 191995191, 525287732, 1379347935, 3717747517, 9894244375, 26921990051, 73220063771, 200786731170, 549584136687, 1507079827260, 4124541644442, 11290452671871, 30880436616666 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A254483

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A116890 A254550 A254557 * A126894 A251408 A206059

Adjacent sequences:  A254477 A254478 A254479 * A254481 A254482 A254483

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 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 27 23:46 EDT 2021. Contains 348305 sequences. (Running on oeis4.)