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A237220 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal 1
1416, 14472, 161598, 2006382, 25423162, 338131394, 4474548444, 60750922148, 815747813196, 11130051942964, 150252339272150, 2051071610480562, 27754491804606758, 378657975664996352, 5130606433713230800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237225

LINKS

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

R. H. Hardin, Empirical recurrence of order 88

FORMULA

Empirical recurrence of order 88 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A237863 A263671 A207046 * A188099 A252106 A252107

Adjacent sequences: A237217 A237218 A237219 * A237221 A237222 A237223

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 05 2014

STATUS

approved

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Last modified November 27 14:41 EST 2022. Contains 358405 sequences. (Running on oeis4.)