A219128 - OEIS

A219128

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nXk array

3, 3, 9, 9, 15, 27, 17, 87, 69, 81, 37, 205, 787, 253, 243, 77, 899, 3495, 6981, 1049, 729, 163, 2521, 27993, 42231, 63183, 4205, 2187, 343, 9709, 154447, 717585, 607115, 571149, 16887, 6561, 723, 29747, 1080809, 5940377, 20168447, 8325319, 5167013

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Table starts

......3........3............9............17..............37...............77

......9.......15...........87...........205.............899.............2521

.....27.......69..........787..........3495...........27993...........154447

.....81......253.........6981.........42231..........717585..........5940377

....243.....1049........63183........607115........20168447........285332189

....729.....4205.......571149.......8325319.......558561433......12934559893

...2187....16887......5167013.....114689693.....15524812691.....590246442003

...6561....68015.....46755215....1583482167....432020067871...26987000751247

..19683...273471....423105613...21831504231..12027081633341.1232382567427897

..59049..1100135...3828940359..301126108879.334920902829343

.177147..4425449..34650738731.4153227990805

.531441.17801365.313579561365

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..111

EXAMPLE

Some solutions for n=3 k=4

..2..2..1..1....1..0..2..2....2..0..2..1....0..0..1..1....0..0..1..1

..1..0..1..0....0..0..1..2....0..0..1..1....0..0..1..2....1..0..1..1

..1..0..0..0....0..0..1..1....2..0..2..1....0..0..1..2....1..1..1..2

CROSSREFS

Column 1 is A000244

Column 2 is A217451

Row 1 is A217450

Sequence in context: A062234 A168329 A161828 * A217964 A086739 A147502

Adjacent sequences: A219125 A219126 A219127 * A219129 A219130 A219131

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Nov 12 2012

STATUS

approved