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A210320 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order 9
0, 35, 35, 995, 4125, 995, 19186, 279526, 279526, 19186, 319485, 16048775, 58464712, 16048775, 319485, 4963700, 863174816, 11186190570, 11186190570, 863174816, 4963700, 74362241, 45102170733, 2073034512148, 7415631633670, 2073034512148 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
..........0..............35..................995.....................19186
.........35............4125...............279526..................16048775
........995..........279526.............58464712...............11186190570
......19186........16048775..........11186190570.............7415631633670
.....319485.......863174816........2073034512148..........4840385164324833
....4963700.....45102170733......379491677736164.......3143730516432515149
...74362241...2324938770750....69133776440716096....2038470253990478011542
.1091691712.119066365167743.12569987936154929124.1321089260079684340068116
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..1..0..0....0..1..0..0....0..1..2..3....0..0..0..0....0..0..0..0
..0..1..0..2....0..2..0..1....2..0..1..2....0..1..0..2....1..0..2..2
..2..1..1..2....2..1..1..3....1..1..1..0....0..1..0..2....2..2..3..2
..2..0..1..3....1..0..0..1....2..1..3..3....0..1..2..1....2..3..1..1
..1..0..1..0....0..2..3..3....1..2..1..2....3..0..0..1....2..1..1..2
CROSSREFS
Sequence in context: A316348 A146205 A201067 * A165856 A319484 A296869
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 20 2012
STATUS
approved

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Last modified May 20 19:00 EDT 2024. Contains 372720 sequences. (Running on oeis4.)