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.

A274628 Nathanson's orphan-counting function h(n).

Table of values

n a(n)
1 1
2 4
3 7
4 13
5 15
6 26
7 25
8 39
9 40
10 54
11 49
12 79
13 63
14 88
15 88
16 112
17 93
18 140
19 109
20 159
21 142
22 170
23 143
24 224
25 168
26 216
27 202
28 255
29 199
30 304
31 219
32 308
33 268
34 316
35 274
36 404
37 281
38 370
39 338
40 438
41 323
42 484
43 345
44 481
45 433
46 484
47 389
48 611
49 422
50 566
51 492
52 607
53 459
54 684
55 508
56 692

List of values

[1, 4, 7, 13, 15, 26, 25, 39, 40, 54, 49, 79, 63, 88, 88, 112, 93, 140, 109, 159, 142, 170, 143, 224, 168, 216, 202, 255, 199, 304, 219, 308, 268, 316, 274, 404, 281, 370, 338, 438, 323, 484, 345, 481, 433, 484, 389, 611, 422, 566, 492, 607, 459, 684, 508, 692]