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A237919 Number of (n+1) X (5+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. 1
406468, 12149024, 405401852, 14163256928, 488835819834, 16925434187136, 590192559141494, 20435454685816288, 714496961639809210, 24788891407048570312, 867098385461953895482, 30089142655310004742832 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A237921.
LINKS
EXAMPLE
Some solutions for n=1:
..0..1..1..2..2..3....0..2..3..1..2..1....0..2..1..1..1..2....0..2..1..1..3..0
..2..2..1..3..0..1....2..3..0..3..0..1....3..3..2..2..0..3....1..1..2..1..2..0
CROSSREFS
Sequence in context: A252626 A237510 A234375 * A363160 A210265 A043609
KEYWORD
nonn
AUTHOR
_R. H. Hardin_, Feb 15 2014
STATUS
approved

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Last modified March 5 06:47 EST 2024. Contains 370537 sequences. (Running on oeis4.)