The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A254488 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 660480, 21822912, 656964096, 20365586688, 615887502592, 18731454463744, 565727609862912, 17046219218717440, 513733060035181312, 15493153946987141888, 466551500635799010048, 14062803876457224444672 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A254491 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0..1..0..1..1....0..0..0..0..1..0..1....0..0..0..1..0..0..0 ..1..1..0..0..0..1..0....0..0..1..0..1..0..1....0..0..0..0..1..1..1 ..1..1..0..1..1..0..0....1..0..0..1..1..0..0....1..1..0..1..1..0..0 CROSSREFS Sequence in context: A282356 A114678 A254495 * A253860 A203396 A234688 Adjacent sequences: A254485 A254486 A254487 * A254489 A254490 A254491 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified December 8 10:14 EST 2022. Contains 358693 sequences. (Running on oeis4.)