Number of curved edges among all distinct circles that can be constructed from the 3 vertices and the equally spaced 3*n points placed on the sides of an equilateral triangle, using only a compass.
A372616
Number of curved edges among all distinct circles that can be constructed from the 3 vertices and the equally spaced 3*n points placed on the sides of an equilateral triangle, using only a compass.
Terms
- a(0) =12a(1) =207a(2) =1104a(3) =4359a(4) =14880a(5) =32523a(6) =73662a(7) =121605a(8) =223290a(9) =329286a(10) =554286a(11) =722841a(12) =1145091
External references
- oeis: A372616