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!)
A262471 Number of (n+1)X(7+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits. 1

%I

%S 1,86,7396,107731,2924245,194647694,15659602612,997197229531,

%T 73403875498285,5949800358307070,491379103358093140,

%U 40436885956386358531,3371777492321746335493,284471978025689266803566

%N Number of (n+1)X(7+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.

%C Column 7 of A262472.

%H R. H. Hardin, <a href="/A262471/b262471.txt">Table of n, a(n) for n = 1..57</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A262472.

%K nonn

%O 1,2

%A _R. H. Hardin_, Sep 23 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 January 28 04:25 EST 2022. Contains 350654 sequences. (Running on oeis4.)