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A237237 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal 1
6976, 91744, 1301304, 19274172, 289676104, 4449131420, 68828263944, 1081186864940, 17018044573704, 271159929187820, 4315151645329416, 69417325448052484, 1113035036852046440, 18031255452906128548 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237241

LINKS

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

R. H. Hardin, Empirical recurrence of order 67

FORMULA

Empirical recurrence of order 67 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A184228 A050225 A305718 * A251651 A050673 A050663

Adjacent sequences:  A237234 A237235 A237236 * A237238 A237239 A237240

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 05 2014

STATUS

approved

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Last modified December 1 14:10 EST 2021. Contains 349430 sequences. (Running on oeis4.)