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!)
A153962 Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 8 ones in any 5 X 5 X 5 subtriangle. 0
1, 2, 2, 4, 14, 16, 75, 552, 1667, 11886, 186036, 1025514, 13006464, 369745208, 3793772311, 86085692189 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A121526 A339282 A153956 * A261980 A153953 A019072
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Jan 03 2009
STATUS
approved

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 21 06:38 EDT 2024. Contains 373540 sequences. (Running on oeis4.)