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A235513 Number of (n+1)X(4+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
746, 16117, 343063, 7186597, 150092214, 3125826729, 65064307612, 1353709346996, 28162807605171, 585865208407308, 12187532238559827, 253530263035798053, 5274041168239019195, 109712641094198459037, 2282284675777630661147 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A235517
LINKS
EXAMPLE
Some solutions for n=2
..0..1..0..1..1....1..0..0..0..0....0..1..0..0..1....0..0..0..1..0
..0..0..1..0..0....1..1..0..1..0....1..0..0..1..0....0..1..0..0..0
..1..1..1..0..1....0..0..0..0..1....1..0..1..0..0....1..0..1..1..0
CROSSREFS
Sequence in context: A344014 A051978 A235732 * A252560 A252453 A252946
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2014
STATUS
approved

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)