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A237310 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal 1
1352, 12690, 120650, 1218584, 12256598, 126084160, 1291478032, 13373871324, 138091649434, 1434854215354, 14882504925868, 154996997323000, 1612626595334952, 16827299214988940, 175503266154285756 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237315

LINKS

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

R. H. Hardin, Empirical recurrence of order 99

FORMULA

Empirical recurrence of order 99 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A349070 A035889 A192320 * A035763 A107559 A056103

Adjacent sequences:  A237307 A237308 A237309 * A237311 A237312 A237313

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2014

STATUS

approved

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Last modified December 3 02:46 EST 2021. Contains 349445 sequences. (Running on oeis4.)