The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A254781 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 2473062, 23633202, 462927268, 7597019270, 151619878261, 3258176834810, 66029963150922, 1342750776459233, 27898030834172634, 574451492960252732, 11798168038957851746, 242987369752309511703, 5004900124524544978144 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A254775 LINKS R. H. Hardin, Table of n, a(n) for n = 1..100 EXAMPLE Some solutions for n=1 ..1..0..0....1..0..0....1..0..0....0..0..0....0..0..0....0..0..0....1..0..0 ..0..0..0....0..0..1....1..0..1....1..0..0....1..0..0....0..0..0....1..0..1 ..0..0..0....0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0 ..1..0..1....1..0..0....0..0..1....0..0..0....0..0..1....1..0..0....1..0..1 ..1..0..0....0..0..0....1..0..0....1..0..0....1..0..0....1..0..0....1..1..0 ..1..0..0....1..1..1....1..0..0....0..0..1....1..0..0....1..0..0....1..1..1 ..1..1..1....1..0..0....1..1..1....1..0..0....1..1..1....1..0..1....1..1..0 ..1..1..1....0..1..1....1..1..0....1..0..0....1..1..0....1..0..1....0..1..1 ..0..1..1....1..0..1....0..1..0....1..1..1....1..0..1....1..1..1....1..0..1 CROSSREFS Sequence in context: A097968 A205025 A254774 * A254727 A230015 A180705 Adjacent sequences: A254778 A254779 A254780 * A254782 A254783 A254784 KEYWORD nonn AUTHOR R. H. Hardin, Feb 07 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 June 18 02:30 EDT 2024. Contains 373468 sequences. (Running on oeis4.)