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## Main Question or Discussion Point

I am looking for info on kissing numbers.

If all the spheres are of one unit then there are 12 spheres in 3d that can kiss the center sphere.

Question:

If the outer spheres are smaller by say 1/4, 1/2 etc. what would be the kissing numbers?

I assume that this has already been done but my search has not found anything.

jal

If all the spheres are of one unit then there are 12 spheres in 3d that can kiss the center sphere.

Question:

If the outer spheres are smaller by say 1/4, 1/2 etc. what would be the kissing numbers?

I assume that this has already been done but my search has not found anything.

jal