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!)
A154004 Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 14 ones in any 5 X 5 X 5 subtriangle. 0

%I #3 Mar 31 2012 12:35:21

%S 1,2,4,16,64,511,4087,65266,1043960,33294340,1064788451,67924859273,

%T 4344369237533,554246140585577,70893824733656698,18088030701247974490,

%U 4627052123343980555078,2360992279682367231113937

%N Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 14 ones in any 5 X 5 X 5 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_ Jan 04 2009

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 16 10:27 EDT 2024. Contains 371708 sequences. (Running on oeis4.)