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A237104 Number of (n+1)X(4+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 1
9491, 435113, 20079181, 1032827165, 53528626069, 2808787399965, 147635666660707, 7771739485974973, 409254548407433443, 21555712799615784575, 1135431220017544165621, 59810151248818350224169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237108

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A110076 A204722 A204961 * A156402 A139676 A291209

Adjacent sequences:  A237101 A237102 A237103 * A237105 A237106 A237107

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified October 16 17:33 EDT 2021. Contains 348042 sequences. (Running on oeis4.)