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A237335 Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal 1
15082, 821234, 39609294, 2137181038, 114598315886, 6318680517398, 350887832861914, 19674122669454962, 1108527743646628762, 62708450627429169774, 3556085113668311378474, 202010965235812995272234 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237340

LINKS

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

R. H. Hardin, Empirical recurrence of order 59

FORMULA

Empirical recurrence of order 59 (see link above)

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A186215 A257017 A257014 * A206410 A283527 A190294

Adjacent sequences:  A237332 A237333 A237334 * A237336 A237337 A237338

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2014

STATUS

approved

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Last modified June 15 22:19 EDT 2019. Contains 324145 sequences. (Running on oeis4.)