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.

A329306 Define b(D) = -Sum_{i=1..D} Kronecker(-D,i)*i for D == 0 or 3 (mod 4); sequence gives D such that b(D) = 0.

Table of values

n a(n)
1 28
2 60
3 72
4 92
5 99
6 100
7 112
8 124
9 147
10 156
11 180
12 188
13 207
14 220
15 240
16 252
17 275
18 284
19 288
20 315
21 316
22 348
23 368
24 380
25 396
26 400
27 412
28 423
29 444
30 448
31 475
32 476
33 496
34 504
35 507
36 508
37 531
38 540
39 572
40 588
41 600
42 604
43 612
44 624
45 636
46 639
47 648
48 668
49 676
50 700
51 720
52 732
53 747
54 752
55 764

List of values

[28, 60, 72, 92, 99, 100, 112, 124, 147, 156, 180, 188, 207, 220, 240, 252, 275, 284, 288, 315, 316, 348, 368, 380, 396, 400, 412, 423, 444, 448, 475, 476, 496, 504, 507, 508, 531, 540, 572, 588, 600, 604, 612, 624, 636, 639, 648, 668, 676, 700, 720, 732, 747, 752, 764]