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A237072 Number of (n+1)X(4+1) 0..3 arrays with the upper median of every 2X2 subblock equal 1
128988, 23830240, 3263989086, 540145357880, 88307088989348, 14967248359057988, 2557790812425420268, 441423347592429449936, 76527910037229993474554, 13311453072470486232811584 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237076

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

..2..2..3..2..1....2..1..2..0..3....1..1..1..3..1....1..3..3..3..0

..1..0..0..0..3....0..0..0..1..0....0..0..1..0..0....2..3..0..3..2

CROSSREFS

Sequence in context: A224585 A190819 A190838 * A232122 A232420 A114668

Adjacent sequences:  A237069 A237070 A237071 * A237073 A237074 A237075

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified January 27 15:02 EST 2022. Contains 350607 sequences. (Running on oeis4.)