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A240777 Number of n X n 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order 0
1, 3, 20, 305, 10150, 746346, 121621207, 43857418181, 34948902833111, 61568080277621258, 239709187163404332821 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Diagonal of A240783
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0....0..1..0..1....0..1..1..0....0..0..1..0....0..1..0..1
..0..0..1..0....0..1..0..1....0..1..1..0....0..0..1..1....1..0..1..0
..0..0..1..1....0..1..1..0....0..0..1..0....0..1..0..1....0..0..1..1
..0..0..1..1....0..1..1..0....0..0..1..0....0..1..0..1....0..0..1..1
CROSSREFS
Sequence in context: A086229 A369322 A130531 * A163138 A201824 A203519
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2014
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)