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A210413 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order 9
7, 78, 78, 864, 2520, 864, 9576, 80496, 80496, 9576, 106128, 2574592, 7380816, 2574592, 106128, 1176192, 82334080, 677993552, 677993552, 82334080, 1176192, 13035456, 2633043200, 62266883792, 178971208720, 62266883792, 2633043200 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.........7............78...............864..................9576

........78..........2520.............80496...............2574592

.......864.........80496...........7380816.............677993552

......9576.......2574592.........677993552..........178971208720

....106128......82334080.......62266883792........47230418649056

...1176192....2633043200.....5718722907600.....12464482425454304

..13035456...84204544256...525218223843536...3289463792785895520

.144468864.2692856218368.48237041019306960.868112796901730209328

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..144

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A080492 A082782 A107047 * A045485 A068621 A210406

Adjacent sequences:  A210410 A210411 A210412 * A210414 A210415 A210416

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 21 2012

STATUS

approved

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Last modified October 16 08:50 EDT 2019. Contains 328056 sequences. (Running on oeis4.)