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A236907 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal 1
19888, 326868, 5345722, 109900910, 2199548878, 48719331954, 1055219565906, 24050871268974, 539501655013126, 12433820388637890, 283498027769610628, 6560232682549786038, 150748784305547024916, 3492824451949115295124 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236911

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A250703 A256653 A186957 * A263298 A237564 A171353

Adjacent sequences:  A236904 A236905 A236906 * A236908 A236909 A236910

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified August 15 12:09 EDT 2022. Contains 356145 sequences. (Running on oeis4.)