A206521 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..3 introduced in row major order

15, 186, 186, 2786, 10998, 2786, 43804, 695541, 695541, 43804, 697369, 44350086, 177097738, 44350086, 697369, 11136544, 2830665213, 45142367398, 45142367398, 2830665213, 11136544, 177977851, 180689239504, 11507555684346

Offset

1,1

Comments

Table starts

.........15.............186..................2786......................43804

........186...........10998................695541...................44350086

.......2786..........695541.............177097738................45142367398

......43804........44350086...........45142367398.............45954984167446

.....697369......2830665213........11507555684346..........46782397564239329

...11136544....180689239504......2933481908580803.......47624714678427763425

..177977851..11534052523389....747797195466172046....48482197805424282951252

.2844864002.736261766040550.190626930556386514119.49355119922405928499997192

Links

R. H. Hardin, Table of n, a(n) for n = 1..143

Example

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

Crossrefs

Sequence in context: A157689 A273654 A079516 * A366662 A240796 A206514

Adjacent sequences: A206518 A206519 A206520 * A206522 A206523 A206524

Keyword

nonn,tabl

Author

R. H. Hardin Feb 08 2012

Status

approved