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A209848 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order 9
8, 41, 41, 227, 451, 227, 1331, 5083, 5083, 1331, 8123, 59563, 115435, 59563, 8123, 50987, 715307, 2713195, 2713195, 715307, 50987, 326123, 8743851, 64857323, 128454587, 64857323, 8743851, 326123, 2111531, 108170155, 1569132907 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......8.........41..........227............1331...............8123

......41........451.........5083...........59563.............715307

.....227.......5083.......115435.........2713195...........64857323

....1331......59563......2713195.......128454587.........6168792219

....8123.....715307.....64857323......6168792219.......595515461627

...50987....8743851...1569132907....299013108267.....57996585929227

..326123..108170155..38265187051..14575079152523...5674369527018763

.2111531.1348830635.938086148459.713014417713003.556706129632258475

LINKS

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

EXAMPLE

Some solutions for n=4 k=3

..0..0..0..0....0..0..0..1....0..0..1..0....0..0..0..0....0..0..1..0

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

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

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

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

CROSSREFS

Sequence in context: A350125 A096969 A209829 * A093104 A120646 A041116

Adjacent sequences:  A209845 A209846 A209847 * A209849 A209850 A209851

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 14 2012

STATUS

approved

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Last modified January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)