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A237222 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal 1
50998, 2006382, 84409628, 4161666604, 194556780556, 9987152949386, 478478022593736, 24753454408306844, 1197860028291568436, 62012186085336028232, 3019260155529957694504, 156099675646647299379900 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237225

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A204729 A277344 A209846 * A178283 A252207 A206236

Adjacent sequences:  A237219 A237220 A237221 * A237223 A237224 A237225

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 05 2014

STATUS

approved

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Last modified February 26 09:37 EST 2020. Contains 332277 sequences. (Running on oeis4.)