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A236005 Number of (n+1)X(3+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1
2960, 41608, 587908, 8623452, 130105204, 2020106076, 32207456576, 526051660468, 8776747793696, 149126416376292, 2572768815952496, 44945537009056724, 793178747691319552, 14111447386534908836, 252672813228732519144 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236009

LINKS

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

R. H. Hardin, Empirical recurrence of order 70

FORMULA

Empirical recurrence of order 70 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A054833 A054212 A179138 * A107534 A184079 A236590

Adjacent sequences:  A236002 A236003 A236004 * A236006 A236007 A236008

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2014

STATUS

approved

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Last modified August 24 03:51 EDT 2019. Contains 326260 sequences. (Running on oeis4.)