a(n) is the number of distinct resistances that can be produced from a planar circuit with exactly n unit resistors.
A340920
a(n) is the number of distinct resistances that can be produced from a planar circuit with exactly n unit resistors.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =23a(6) =57a(7) =151a(8) =427a(9) =1263a(10) =3807a(11) =11549a(12) =34843a(13) =104459a(14) =311317a(15) =928719a(16) =2776247a(17) =8320757a(18) =24967341a(19) =74985337
External references
- oeis: A340920