A206366 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..3 introduced in row major order

15, 151, 151, 1990, 6329, 1990, 27548, 294983, 294983, 27548, 383021, 13804578, 47155911, 13804578, 383021, 5327971, 643832706, 7524874363, 7524874363, 643832706, 5327971, 74147694, 30049504156, 1197873588223, 4089691428777

Offset

1,1

Comments

Table starts

.........15............151..............1990...............27548

........151...........6329............294983............13804578

.......1990.........294983..........47155911..........7524874363

......27548.......13804578........7524874363.......4089691428777

.....383021......643832706.....1197873588223....2216692870846655

....5327971....30049504156...190817902385518.1202272856786461731

...74147694..1402595823865.30394990249581088

.1031960617.65463971182963

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

Some solutions for n=4 k=3
..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..1..1..0
..2..1..2..0....1..2..3..2....1..2..1..2....1..2..1..2....0..1..2..1
..2..0..3..0....2..1..2..1....0..0..0..0....0..1..2..0....3..2..1..1
..0..2..1..1....1..3..2..0....3..1..2..3....3..3..0..1....1..0..3..2
..0..2..1..0....3..3..0..1....1..0..3..2....0..1..2..1....3..3..0..0

Crossrefs

Sequence in context: A021364 A352160 A323298 * A016103 A206361 A041424

Adjacent sequences: A206363 A206364 A206365 * A206367 A206368 A206369

Keyword

nonn,tabl

Author

R. H. Hardin Feb 06 2012

Status

approved