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A210143 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order 9
1, 10, 10, 105, 221, 105, 1018, 4349, 4349, 1018, 9157, 78063, 159327, 78063, 9157, 77934, 1321270, 5451164, 5451164, 1321270, 77934, 638065, 21511540, 178904077, 363492269, 178904077, 21511540, 638065, 5084818, 341220491, 5714971168 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

.......1.........10...........105.............1018................9157

......10........221..........4349............78063.............1321270

.....105.......4349........159327..........5451164...........178904077

....1018......78063.......5451164........363492269.........23560950847

....9157....1321270.....178904077......23560950847.......3047709295897

...77934...21511540....5714971168....1499212226898.....389550973002670

..638065..341220491..179321691502...94235638705314...49393019753138539

.5084818.5317431003.5559548788474.5875282322245525.6229274408854573641

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..143

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A288764 A287906 A210174 * A285941 A288300 A286407

Adjacent sequences:  A210140 A210141 A210142 * A210144 A210145 A210146

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 17 2012

STATUS

approved

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Last modified November 28 09:55 EST 2021. Contains 349401 sequences. (Running on oeis4.)