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A236006 Number of (n+1)X(4+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1
17464, 389520, 8623452, 199639388, 4771399876, 118118574840, 3024782577128, 79996751200984, 2178566815760276, 60872444688621924, 1738300532840898816, 50539524613860237520, 1490870446811399175936, 44489624599894762408316 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236009

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A251465 A278004 A031640 * A190758 A034624 A043599

Adjacent sequences:  A236003 A236004 A236005 * A236007 A236008 A236009

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2014

STATUS

approved

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Last modified October 28 04:43 EDT 2021. Contains 348313 sequences. (Running on oeis4.)