This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A253965 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 423232, 7777096, 168988280, 3624943928, 77993064012, 1716319825801, 37588952737932, 823924594489729, 18029663254294928, 394861463882197545, 8642552874627011912, 189232920220642268701, 4141851308037155724044 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A253961 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..1..1..1....0..0..0....1..0..1....0..0..0....1..0..1....1..1..0....0..1..1 ..1..1..0....1..0..1....1..1..0....1..1..1....0..0..0....1..0..1....1..0..0 ..0..1..1....0..1..0....1..1..1....1..1..1....1..0..1....0..1..0....1..0..1 ..1..1..1....0..1..1....1..1..0....0..1..1....0..1..0....0..0..1....0..1..0 ..1..0..1....1..1..1....1..0..1....1..1..0....0..0..1....1..1..1....0..1..0 ..0..0..1....0..0..1....0..1..1....1..0..1....1..0..0....1..1..1....1..0..1 CROSSREFS Sequence in context: A003828 A233722 A253958 * A253761 A204412 A233499 Adjacent sequences:  A253962 A253963 A253964 * A253966 A253967 A253968 KEYWORD nonn AUTHOR R. H. Hardin, Jan 20 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.

Last modified September 17 10:52 EDT 2019. Contains 327129 sequences. (Running on oeis4.)