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A254800 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
47816, 121701, 362924, 1075560, 3369689, 11139423, 33038951, 101966575, 299746659, 918337028, 2734158171, 8245249775, 24762486913, 74914476443, 228202658309, 695565801656, 2134961468514, 6546088696054, 20191667530977 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A254804
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..1..1..1....0..0..0..0..0..0....0..1..0..1..0..1....0..0..0..1..0..0
..1..1..0..1..0..0....0..1..0..1..0..0....0..1..1..0..0..0....1..1..0..1..0..0
..0..1..0..1..0..1....1..1..0..0..0..1....0..1..0..0..1..1....1..1..0..1..0..0
..1..0..0..0..0..0....1..1..0..1..1..1....1..1..1..0..1..1....1..0..0..1..1..1
CROSSREFS
Sequence in context: A261339 A166003 A221017 * A254807 A253816 A190927
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2015
STATUS
approved

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Last modified June 22 12:55 EDT 2024. Contains 373571 sequences. (Running on oeis4.)