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A237846 Number of (n+1)X(4+1) 0..2 arrays with the maximum minus the lower median of every 2X2 subblock equal 1
8451, 320263, 11700943, 468296881, 18440768745, 740745901187, 29535151446365, 1184735457700027, 47377744512643629, 1898659403545238677, 75995767027052890515, 3044223553909448094439, 121886297246073719705107 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237850

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A046336 A046384 A170787 * A232907 A151643 A031590

Adjacent sequences:  A237843 A237844 A237845 * A237847 A237848 A237849

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 14 2014

STATUS

approved

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Last modified June 23 23:28 EDT 2021. Contains 345403 sequences. (Running on oeis4.)