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A237103 Number of (n+1)X(3+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 1
1881, 39235, 848549, 20079181, 485177201, 11899510847, 293281801479, 7246691140947, 179233623871063, 4435034452955467, 109763297065189051, 2716780520543217999, 67246261190000231507, 1664519926327175700477 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237108

LINKS

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

R. H. Hardin, Empirical recurrence of order 54

FORMULA

Empirical recurrence of order 54 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A072494 A260137 A246478 * A222799 A252111 A259960

Adjacent sequences:  A237100 A237101 A237102 * A237104 A237105 A237106

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified October 18 19:31 EDT 2021. Contains 348069 sequences. (Running on oeis4.)