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.

A166100 Sum of those positive i <= 2n+1, for which J(i,2n+1)=+1. Here J(i,k) is the Jacobi symbol.

Table of values

n a(n)
0 1
1 1
2 5
3 7
4 27
5 22
6 39
7 15
8 68
9 76
10 63
11 92
12 250
13 117
14 203
15 186
16 165
17 175
18 333
19 156
20 410
21 430
22 270
23 423
24 1029
25 357
26 689
27 440
28 513
29 767
30 915
31 504
32 780
33 1072
34 759
35 994
36 1314
37 725
38 1155
39 1343
40 2187
41 1577
42 1360
43 957
44 1958
45 1547
46 1395
47 1330
48 2328
49 1485
50 2525

List of values

[1, 1, 5, 7, 27, 22, 39, 15, 68, 76, 63, 92, 250, 117, 203, 186, 165, 175, 333, 156, 410, 430, 270, 423, 1029, 357, 689, 440, 513, 767, 915, 504, 780, 1072, 759, 994, 1314, 725, 1155, 1343, 2187, 1577, 1360, 957, 1958, 1547, 1395, 1330, 2328, 1485, 2525]