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A237865 Number of (n+1)X(5+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
25525, 405758, 6710651, 115821338, 1893170622, 31199205700, 524709935082, 8912673852976, 147501045116290, 2450909073999912, 41178497491864734, 693680231493742096, 11542858166993436432, 192470343905207371108 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A237868

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..183

EXAMPLE

Some solutions for n=1

..2..0..1..0..2..0....0..2..0..2..0..2....0..2..0..1..1..1....0..1..0..1..1..1

..0..0..2..1..2..2....0..0..1..1..2..2....0..0..1..1..1..0....0..1..2..0..1..1

CROSSREFS

Sequence in context: A242141 A124997 A031837 * A202646 A210093 A184027

Adjacent sequences:  A237862 A237863 A237864 * A237866 A237867 A237868

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 14 2014

STATUS

approved

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Last modified April 22 04:04 EDT 2019. Contains 322329 sequences. (Running on oeis4.)