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A236503 Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock 1
27458, 1116232, 46503900, 1936913190, 81160939773, 3386470375460, 141742500729330, 5916603281898744, 247569265457806674, 10338799533678138632, 432437733506750819702, 18063888826404000032848 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236505

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..172

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A166224 A187533 A321159 * A251437 A206364 A224110

Adjacent sequences:  A236500 A236501 A236502 * A236504 A236505 A236506

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2014

STATUS

approved

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Last modified August 18 07:06 EDT 2022. Contains 356204 sequences. (Running on oeis4.)