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!)
A205204 Number of (n+1)X7 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 1

%I #5 Mar 31 2012 12:37:05

%S 311076,65935448,9153899777,1157042727456,131318571494136,

%T 13538086185801579,1348681626232003407,127615387132216248793,

%U 11967356979561578243189,1099475612928760385196268

%N Number of (n+1)X7 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

%C Column 6 of A205206

%H R. H. Hardin, <a href="/A205204/b205204.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0..0..0..0..1..0..0....1..2..1..0..1..0..0....1..2..0..2..0..2..1

%e ..1..0..2..0..1..0..0....0..0..0..0..1..0..2....0..2..2..0..2..2..1

%e ..1..0..2..0..0..0..1....2..1..2..1..2..2..1....1..1..1..2..2..0..2

%e ..2..0..0..0..2..2..1....2..1..2..1..2..0..2....0..2..2..0..2..2..2

%e ..2..0..2..2..2..0..2....2..1..2..1..2..2..0....2..1..1..2..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 23 2012

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 April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)