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A205440 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order 9
15, 77, 77, 443, 833, 443, 2705, 10275, 10275, 2705, 16955, 140423, 302148, 140423, 16955, 108173, 2052727, 10308161, 10308161, 2052727, 108173, 698747, 31378965, 375775257, 869874577, 375775257, 31378965, 698747, 4558985, 493169259 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......15.........77............443..............2705.................16955
......77........833..........10275............140423...............2052727
.....443......10275.........302148..........10308161.............375775257
....2705.....140423.......10308161.........869874577...........76421483407
...16955....2052727......375775257.......76421483407........15852623627426
..108173...31378965....14089784418.....6789317584699......3300774182686057
..698747..493169259...534222700494...604991353523259....687760437018264199
.4558985.7881048447.20344347242650.53954586647399703.143323394012947339038
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..1..2....0..1..2..1
..1..1..0..1....0..1..0..1....0..0..0..0....1..3..1..0....1..1..1..1
..0..1..0..0....0..1..0..1....0..0..0..0....1..0..1..2....1..3..3..1
..1..1..1..0....1..1..0..0....0..0..0..0....2..2..1..3....3..3..1..1
..2..1..0..0....3..1..1..0....0..0..0..0....0..3..1..2....0..3..1..2
CROSSREFS
Sequence in context: A302376 A041430 A156941 * A051423 A205609 A257925
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 27 2012
STATUS
approved

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Last modified June 24 09:18 EDT 2024. Contains 373674 sequences. (Running on oeis4.)