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!)
A226851 Number of n X 7 (0,1,2) arrays of permanents of 2 X 2 subblocks of some (n+1) X 8 binary array. 0

%I #5 Apr 20 2020 20:38:19

%S 957,435829,67929575,9461306257,1426163794260,221491127478033,

%T 34196613228139182,5251691844285685771,806309158874436920955,

%U 123879593437831099515396

%N Number of n X 7 (0,1,2) arrays of permanents of 2 X 2 subblocks of some (n+1) X 8 binary array.

%C Column 7 of A226852.

%e Some solutions for n=3

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

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

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

%Y Cf. A226852.

%K nonn

%O 1,1

%A _R. H. Hardin_ Jun 19 2013

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 June 8 01:58 EDT 2024. Contains 373206 sequences. (Running on oeis4.)