The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A258688 Number of (n+3)X(4+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum 1

%I #4 Jun 07 2015 16:50:19

%S 27566112,479373352,5979059398,38427363716,282329901252,1449214072632,

%T 6407788263170,29024910483412,101306283853772,358843462242534,

%U 1183270649643046,3452977123717066,10329827505990770,28073821072056942

%N Number of (n+3)X(4+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum

%C Column 4 of A258689

%H R. H. Hardin, <a href="/A258688/b258688.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=1

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

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

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

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

%Y Cf. A258689

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 07 2015

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 15 01:31 EDT 2024. Contains 372536 sequences. (Running on oeis4.)