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A237145 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock equal 1
8128, 197724, 4365504, 111073520, 2747051348, 70822934950, 1807884334024, 46865387548176, 1210191327968658, 31449920757454210, 815990979515922042, 21230439990149924342, 551985885204085586852, 14369480675245313960450 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237150

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A151946 A229381 A147633 * A205211 A206219 A231862

Adjacent sequences:  A237142 A237143 A237144 * A237146 A237147 A237148

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 04 2014

STATUS

approved

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Last modified May 23 10:51 EDT 2022. Contains 353975 sequences. (Running on oeis4.)