Number of distinct resistances that can be produced using 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.
A174285
Number of distinct resistances that can be produced using 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) =17a(7) =61a(8) =235a(9) =815a(10) =2563a(11) =7585a(12) =22277a(13) =62065a(14) =169489a(15) =452621a(16) =1191617
External references
- oeis: A174285