Number of distinct resistances that can be produced using at most n equal resistors in series and/or parallel, confined to the five arms (four arms and the diagonal) of a bridge configuration. Since the bridge requires a minimum of five resistors, the first four terms are zero.
A174286
Number of distinct resistances that can be produced using at most n equal resistors in series and/or parallel, confined to the five arms (four arms and the diagonal) of a bridge configuration. Since the bridge requires a minimum of five resistors, the first four terms are zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =3a(6) =19a(7) =75a(8) =291a(9) =985a(10) =3011a(11) =8659a(12) =24319a(13) =65899a(14) =176591a(15) =464451a(16) =1211185
External references
- oeis: A174286