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A235581 Number of (n+1)X(3+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise 1
29902, 3187679, 344369103, 32581688349, 2793785197645, 214261916260111, 15035713561887040, 973801165792209725, 59003535198421265249, 3373507179902892313830, 183535917529408384073302 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A235582

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..88

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A274358 A235826 A235823 * A224612 A233946 A234735

Adjacent sequences:  A235578 A235579 A235580 * A235582 A235583 A235584

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2014

STATUS

approved

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Last modified July 4 18:17 EDT 2022. Contains 355083 sequences. (Running on oeis4.)