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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A240788 Number of 7 X n 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order. 1

%I

%S 64,1172,10442,108509,1120383,11677893,121621207,1269199948,

%T 13241129190,138189786444,1442192128751,15051954215634,

%U 157096056362548,1639615077341580,17112720660101420,178606392701182664

%N Number of 7 X n 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order.

%C Row 7 of A240783.

%H R. H. Hardin, <a href="/A240788/b240788.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4:

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

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

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

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

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

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

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

%Y Cf. A240783.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 12 2014

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 March 24 06:56 EDT 2019. Contains 321444 sequences. (Running on oeis4.)