A204630 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order

12, 96, 96, 768, 2049, 768, 6144, 43734, 43734, 6144, 49152, 933462, 2490558, 933462, 49152, 393216, 19923888, 141832254, 141832254, 19923888, 393216, 3145728, 425257068, 8077061502, 21550390395, 8077061502, 425257068, 3145728, 25165824

Offset

1,1

Comments

Table starts

.......12...........96..............768.................6144

.......96.........2049............43734...............933462

......768........43734..........2490558............141832254

.....6144.......933462........141832254..........21550390395

....49152.....19923888.......8077061502........3274427479938

...393216....425257068.....459972403614......497525810748759

..3145728...9076721064...26194503047262....75595484720747496

.25165824.193734264456.1491724252385406.11486192649538372653

Links

R. H. Hardin, Table of n, a(n) for n = 1..264

Example

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

Crossrefs

Sequence in context: A027250 A194782 A059154 * A192848 A229561 A341233

Adjacent sequences: A204627 A204628 A204629 * A204631 A204632 A204633

Keyword

nonn,tabl

Author

R. H. Hardin Jan 17 2012

Status

approved