A338607 Resistance values R < 1 ohm, multiplied by a common denominator 232792560 (= A338600(7)), that can be obtained from a network of exactly 7 one-ohm resistors, but not from any network with fewer than 7 one-ohm resistors.

33256080, 42325920, 49884120, 53721360, 62078016, 64664600, 68468400, 71628480, 72747675, 73513440, 81477396, 82162080, 83140200, 85765680, 88682880, 90530440, 95855760, 98017920, 101846745, 106696590, 110270160, 110853600, 121938960, 122522400, 126095970

Offset

1,1

Comments

The list of the A338197(7)/2 = 57 resistance values < 1 ohm is A338587(n)/A338597(n). a(n) = 232792560 * [1/7, 2/11, 3/14, 3/13, 4/15, 5/18, 5/17, ..., 19/21, 11/12, 12/13, 13/14, 14/15, 15/16, 18/19].

Links

Hugo Pfoertner, Table of n, a(n) for n = 1..57

Crossrefs

Cf. A180414, A338197, A338587, A338597, A338600, A338605, A338606, A338608, A338609.

Sequence in context: A157081 A015354 A256356 * A153324 A184571 A011575

Adjacent sequences: A338604 A338605 A338606 * A338608 A338609 A338610

Keyword

nonn,fini,full

Author

Hugo Pfoertner, Nov 05 2020

Status

approved