A210012 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A210012

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays containing all values 0..2 with every 2X2 subblock having two or three distinct values, and new values 0..2 introduced in row major order

6, 88, 88, 893, 2691, 893, 8217, 70923, 70923, 8217, 73035, 1808865, 5258039, 1808865, 73035, 640495, 45763485, 385841179, 385841179, 45763485, 640495, 5586791, 1155440875, 28267925909, 82060746485, 28267925909, 1155440875

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Table starts

........6...........88...............893..................8217

.......88.........2691.............70923...............1808865

......893........70923...........5258039.............385841179

.....8217......1808865.........385841179...........82060746485

....73035.....45763485.......28267925909........17447565687601

...640495...1155440875.....2070471867089......3709556186877991

..5586791..29157605895...151644743405597....788692753629890373

.48624987.735696878225.11106638825609387.167684774000295868135

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..264

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A294045 A171207 A173224 * A226426 A210005 A178296

Adjacent sequences: A210009 A210010 A210011 * A210013 A210014 A210015

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 16 2012

STATUS

approved