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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A254589 Number of (4+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
 72939, 649029, 5852880, 58920922, 613720640, 6258245316, 62363902283, 612314070327, 5944180964639, 57211015018162, 547453527649167, 5218184143373255, 49605050962203855, 470705828047069026 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A254586 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..1....1..1..1....1..0..0....1..1..0....1..1..1....1..0..0....0..1..0 ..0..0..0....0..0..0....1..1..1....1..0..1....0..0..1....0..0..0....1..0..0 ..1..1..0....1..1..0....1..0..0....0..0..0....1..1..0....1..0..1....1..0..0 ..0..1..1....1..1..1....0..1..0....1..1..1....1..1..1....1..0..1....0..0..0 ..1..1..1....1..1..0....0..1..0....1..1..1....1..1..1....1..1..1....0..0..1 ..0..0..1....0..1..1....1..0..0....0..0..1....1..0..1....0..0..0....1..1..0 CROSSREFS Sequence in context: A161730 A071145 A254582 * A254357 A031665 A247993 Adjacent sequences: A254586 A254587 A254588 * A254590 A254591 A254592 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.

Last modified July 12 14:18 EDT 2024. Contains 374248 sequences. (Running on oeis4.)