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A210107 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having one or three distinct values, and new values 0..2 introduced in row major order 9
7, 30, 30, 135, 225, 135, 614, 1690, 1690, 614, 2799, 12725, 20687, 12725, 2799, 12766, 95830, 254314, 254314, 95830, 12766, 58231, 721705, 3125615, 5115121, 3125615, 721705, 58231, 265622, 5435250, 38420586, 102841182, 102841182, 38420586 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......7.......30........135..........614............2799.............12766
.....30......225.......1690........12725...........95830............721705
....135.....1690......20687.......254314.........3125615..........38420586
....614....12725.....254314......5115121.......102841182........2068413037
...2799....95830....3125615....102841182......3382058727......111283430198
..12766...721705...38420586...2068413037....111283430198.....5991606341393
..58231..5435250..472285295..41604910322...3662188386511...322655579663298
.265622.40933565.5805666474.836912242697.120530162560270.17377924547360597
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..1..0..2....0..1..0..2....0..1..0..1....0..1..2..0....0..0..1..2
..1..2..1..2....2..2..0..1....2..2..1..2....1..2..0..1....2..1..2..0
..1..0..2..0....2..2..1..2....1..0..0..0....0..1..1..2....0..1..0..1
..1..2..1..1....2..2..0..1....2..0..0..0....0..2..0..1....0..2..0..2
..2..0..1..1....1..0..1..2....0..1..2..1....2..1..0..2....2..1..0..1
CROSSREFS
Sequence in context: A061644 A053621 A339098 * A266604 A018831 A063128
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 17 2012
STATUS
approved

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Last modified June 22 04:48 EDT 2024. Contains 373565 sequences. (Running on oeis4.)