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!)
A153526 Number of planar n X n X n binary triangular grids with no more than 5 ones in any 3 X 3 X 3 subtriangle. 0
1, 2, 8, 63, 981, 30024, 1807250, 213927268, 49795084180, 22791997973462, 20514123247423935, 36307660199677051280, 126362515904909451106459, 864794574138352010221407430, 11638106971975324518132459725847 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A193195 A098000 A084279 * A153554 A139018 A110708
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 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 19 02:05 EDT 2024. Contains 373492 sequences. (Running on oeis4.)