A338599 Denominators of resistance values < 1 ohm that can be obtained from a network of exactly 9 one-ohm resistors, but not from any network with fewer than 9 one-ohm resistors. Numerators are in A338580.

9, 15, 20, 19, 23, 28, 27, 21, 26, 31, 34, 29, 24, 33, 37, 32, 31, 35, 30, 46, 37, 41, 43, 39, 50, 34, 41, 37, 40, 47, 43, 32, 39, 46, 45, 38, 31, 41, 44, 37, 47, 33, 36, 49, 29, 45, 51, 54, 22, 25, 59, 34, 37, 40, 43, 46, 55, 56, 47, 44, 41, 38, 35, 61, 26, 23

Offset

1,1

Links

Hugo Pfoertner, Table of n, a(n) for n = 1..447

Example

The list of the 894 = A338197(9) resistance values, sorted by increasing size of R = A338580(n)/a(n) = A338609(n)/A338600(9), is the union of [1/9, 2/15, 3/20, ..., 48/49, 50/51, 55/56] and of the corresponding reciprocal resistances > 1 ohm [56/55, 51/50, 49/48, ..., 20/3, 15/2, 9].

Crossrefs

Cf. A338197, A338580, A338600, A338609.

Cf. A338595, A338596, A338597, A338598, A338590 (similar for n = 5..10).

Sequence in context: A038599 A330438 A321342 * A333312 A255763 A079364

Adjacent sequences: A338596 A338597 A338598 * A338600 A338601 A338602

Keyword

nonn,frac,fini,full

Author

Hugo Pfoertner, Nov 06 2020

Status

approved