a(n) is the ratio of the sum of the bends (curvatures) of the circles in the n-th generation of an Apollonian packing to the sum of the bends in the initial four-circle configuration.
A135849
a(n) is the ratio of the sum of the bends (curvatures) of the circles in the n-th generation of an Apollonian packing to the sum of the bends in the initial four-circle configuration.
Terms
- a(0) =1a(1) =5a(2) =39a(3) =297a(4) =2259a(5) =17181a(6) =130671a(7) =993825a(8) =7558587a(9) =57487221a(10) =437222007a(11) =3325314393a(12) =25290849123a(13) =192350849805
External references
- oeis: A135849