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A237336 Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal 1
120808, 17627820, 2137181038, 300627324700, 41627000140944, 5948570417327342, 853258883465178716, 123366442531682683412, 17883818961748533773410, 2598541529967055129095912, 377982143702173985133488408 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237340

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A092015 A250673 A278005 * A234340 A251001 A061128

Adjacent sequences:  A237333 A237334 A237335 * A237337 A237338 A237339

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2014

STATUS

approved

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Last modified July 25 12:15 EDT 2021. Contains 346290 sequences. (Running on oeis4.)