cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Previous Showing 11-13 of 13 results.

A338608 Resistance values R < 1 ohm, multiplied by a common denominator 5342931457063200 (= A338600(8)), that can be obtained from a network of exactly 8 one-ohm resistors, but not from any network with fewer than 8 one-ohm resistors.

Original entry on oeis.org

667866432132900, 821989454932800, 942870257128800, 1001799648199350, 1124827675171200, 1161506838492000, 1214302603878000, 1257160342838400, 1272126537396000, 1282303549695168, 1385204451831200, 1393808206190400, 1406034593964000, 1438481546132400, 1473912126086400
Offset: 1

Views

Author

Hugo Pfoertner, Nov 06 2020

Keywords

Examples

			The list of the A338197(8)/2 = 156 resistance values < 1 ohm is A338580(n)/A338598(n). a(n) = 5342931457063200 * [1/8, 2/13, 3/17, 3/16, 4/19, 5/23, 5/22, ..., 23/24, 24/25, 25/26, 26/27, 27/28, 30/31, 34/35].
		

Crossrefs

Cf. A338605, A338606, A338607, A338609 (similar for n = 5..9).

A338609 Resistance values R < 1 ohm, multiplied by a common denominator 591133442051411133755680800 (= A338600(9)), 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.

Original entry on oeis.org

65681493561267903750631200, 78817792273521484500757440, 88670016307711670063352120, 93336859271275442171949600, 102805816008941066740118400, 105559543223466273884943000, 109469155935446506251052000, 112596846105030692143939200, 113679508086809833414554000
Offset: 1

Views

Author

Hugo Pfoertner, Nov 06 2020

Keywords

Examples

			The list of the A338197(9)/2 = 447 resistance values < 1 ohm is A338580(n)/A338599(n). a(n) = 591133442051411133755680800 * [1/9, 2/15, 3/20, 3/19, 4/23, 5/28, ..., 43/44, 45/46, 46/47, 48/49, 50/51, 55/56].
		

Crossrefs

Cf. A338605, A338606, A338607, A338608 (similar for n = 5..8).

A338606 Resistance values R < 1 ohm, multiplied by a common denominator 360360 (= A338600(6)), that can be obtained from a network of exactly 6 one-ohm resistors, but not from any network with fewer than 6 one-ohm resistors.

Original entry on oeis.org

60060, 80080, 98280, 108108, 131040, 138600, 150150, 160160, 163800, 166320, 194040, 196560, 200200, 210210, 221760, 229320, 252252, 262080, 280280, 304920, 324324, 327600
Offset: 1

Views

Author

Hugo Pfoertner, Nov 05 2020

Keywords

Examples

			The list of resistance values < 1 ohm is A338580(n)/A338596(n). a(n) = 360360 * [1/6, 2/9, 3/11, 3/10, 4/11, 5/13, 5/12, 4/9, 5/11, 6/13, 7/13, 6/11, 5/9, 7/12, 8/13, 7/11, 7/10, 8/11, 7/9, 11/13, 9/10, 10/11].
		

Crossrefs

Previous Showing 11-13 of 13 results.