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

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

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

R. H. Hardin, Table of n, a(n) for n = 1..97

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

Adjacent sequences: A205437 A205438 A205439 * A205441 A205442 A205443

Keyword

nonn,tabl

Author

R. H. Hardin Jan 27 2012

Status

approved