login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 13
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 27 11:47 EDT 2022. Contains 354097 sequences. (Running on oeis4.)