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.

A338580 Numerators of resistance values that can be obtained from a network of exactly 10 one-ohm resistors, but not from any network with fewer than 10 one-ohm resistors. Denominators are in A338590.

Table of values

n a(n)
1 1
2 2
3 3
4 3
5 4
6 5
7 5
8 4
9 5
10 6
11 7
12 6
13 5
14 7
15 8
16 7
17 7
18 8
19 7
20 11
21 9
22 10
23 11
24 10
25 13
26 9
27 11
28 10
29 11
30 13
31 12
32 9
33 11
34 13
35 13
36 11
37 9
38 12
39 13
40 11
41 14
42 10
43 11
44 15
45 9
46 14
47 16
48 17
49 7
50 8
51 19
52 11
53 12
54 13
55 14
56 15
57 18
58 19
59 16
60 15
61 14
62 13
63 12
64 21
65 9
66 8
67 15
68 20
69 19
70 17
71 11
72 19
73 14

List of values

[1, 2, 3, 3, 4, 5, 5, 4, 5, 6, 7, 6, 5, 7, 8, 7, 7, 8, 7, 11, 9, 10, 11, 10, 13, 9, 11, 10, 11, 13, 12, 9, 11, 13, 13, 11, 9, 12, 13, 11, 14, 10, 11, 15, 9, 14, 16, 17, 7, 8, 19, 11, 12, 13, 14, 15, 18, 19, 16, 15, 14, 13, 12, 21, 9, 8, 15, 20, 19, 17, 11, 19, 14]