login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A262486 Number of (n+3)X(5+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits. 0

%I

%S 20,63,245,2699,33742,364259,3810228,45013100

%N Number of (n+3)X(5+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits.

%C Column 5 of A262488.

%e Some solutions for n=4

%e ..1..1..0..0..0..0..1..1....1..1..0..0..0..0..1..1....0..0..0..0..1..1..0..1

%e ..0..0..0..0..0..0..0..0....0..0..0..0..1..1..0..1....0..0..0..0..1..1..0..1

%e ..0..0..1..1..0..1..0..0....0..0..0..0..1..1..0..1....0..0..0..0..0..0..0..0

%e ..1..1..1..1..0..1..1..1....1..0..0..0..0..0..1..0....0..0..0..0..1..1..0..1

%e ..1..1..0..0..0..0..1..1....1..0..0..0..1..1..1..1....0..0..0..0..0..0..0..0

%e ..1..1..1..1..0..1..1..1....1..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0

%e ..0..0..0..0..0..0..0..0....0..1..0..0..0..0..0..1....0..0..0..0..0..0..0..0

%Y Cf. A262488.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 24 2015

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 December 12 18:24 EST 2018. Contains 318081 sequences. (Running on oeis4.)