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A234856 Number of (n+2)X(1+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 46 1
36288, 430044, 5061072, 59396544, 722877426, 8724962088, 104942366208, 1279417121046, 15521208187662, 187880332745934, 2288591750083392, 27799607829489894, 337237942486861242, 4104313572560228892 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A234858

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A249083 A204874 A234858 * A222952 A204967 A011771

Adjacent sequences:  A234853 A234854 A234855 * A234857 A234858 A234859

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 31 2013

STATUS

approved

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Last modified May 24 14:36 EDT 2022. Contains 354037 sequences. (Running on oeis4.)