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.

A306499 a(n) is the smallest prime p such that Sum_{primes q <= p} Kronecker(A003658(n),q) > 0, or 0 if no such prime exists.

Table of values

n a(n)
1 2
2 2082927221
3 11100143
4 61463
5 2083
6 2
7 1217
8 5
9 3
10 719
11 2
12 11
13 3
14 2
15 7
16 17
17 11
18 2
19 7
20 5
21 2
22 13
23 2
24 3
25 23
26 7
27 3
28 2
29 13
30 19
31 2
32 23
33 17
34 2
35 5
36 2
37 7
38 3
39 2
40 13
41 3
42 2
43 19
44 7
45 2
46 31
47 31
48 5
49 17
50 2
51 13
52 13
53 3
54 47
55 2
56 5
57 3
58 2
59 37
60 2
61 47
62 2
63 5
64 7
65 2
66 43
67 2
68 3
69 11
70 5
71 3
72 2
73 29

List of values

[2, 2082927221, 11100143, 61463, 2083, 2, 1217, 5, 3, 719, 2, 11, 3, 2, 7, 17, 11, 2, 7, 5, 2, 13, 2, 3, 23, 7, 3, 2, 13, 19, 2, 23, 17, 2, 5, 2, 7, 3, 2, 13, 3, 2, 19, 7, 2, 31, 31, 5, 17, 2, 13, 13, 3, 47, 2, 5, 3, 2, 37, 2, 47, 2, 5, 7, 2, 43, 2, 3, 11, 5, 3, 2, 29]