Presentation with sequence

[Ed Pegg Jr]

http://mathworld.wolfram.com/KobonTriangle.html

http://www.research.att.com/projects/OEIS?Anum=A006066

n=15 was recently solved, but n=10 to n=14 are still unsolved.

Ed Pegg Jr.

David Wilson wrote:
> See problem 3 of
>
> http://www.stetson.edu/~efriedma/papers/planar.ppt
>
> for a sequence.  I did not find it in the OEIS, maybe the OEIS has a 
> corrected version?
>
> --------------------------------
> - David Wilson