login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263117 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column not divisible by 7, read as a binary number with top and left being the most significant bits. 5
102, 690, 690, 4614, 12295, 4614, 28626, 186793, 186793, 28626, 173010, 2451774, 6131873, 2451774, 173010, 1049016, 32967539, 165679122, 165679122, 32967539, 1049016, 6331494, 436704585, 4679372053, 8973167514, 4679372053, 436704585 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

........102..........690...........4614............28626...........173010

........690........12295.........186793..........2451774.........32967539

.......4614.......186793........6131873........165679122.......4679372053

......28626......2451774......165679122.......8973167514.....510985828470

.....173010.....32967539.....4679372053.....510985828470...59375688090683

....1049016....436704585...129402530117...28342984553670.6681095224794601

....6331494...5681806458..3494107918878.1530508039933938

...37989042..74169569127.94864200490265

..228197310.966450565505

.1370694210

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..59

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 16]

EXAMPLE

Some solutions for n=2 k=4

..0..0..1..0..0..1....0..0..1..0..0..0....0..1..0..1..0..0....0..1..1..1..1..1

..0..1..0..0..1..0....0..1..1..0..0..1....0..0..1..0..0..0....0..1..0..0..0..0

..0..0..1..0..0..0....0..1..0..0..1..0....0..0..1..0..1..1....0..0..0..1..0..1

..1..0..1..1..0..1....1..0..0..1..0..1....1..1..0..1..0..1....1..0..1..0..0..1

CROSSREFS

Sequence in context: A206652 A158127 A231361 * A263113 A231454 A230704

Adjacent sequences:  A263114 A263115 A263116 * A263118 A263119 A263120

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Oct 09 2015

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 28 17:43 EDT 2020. Contains 337393 sequences. (Running on oeis4.)