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.

A164653 a(1) = 1, for n>=2: a(n) = sum of two consecutive noncomposite numbers A008578.

Table of values

n a(n)
1 1
2 3
3 5
4 8
5 12
6 18
7 24
8 30
9 36
10 42
11 52
12 60
13 68
14 78
15 84
16 90
17 100
18 112
19 120
20 128
21 138
22 144
23 152
24 162
25 172
26 186
27 198
28 204
29 210
30 216
31 222
32 240
33 258
34 268
35 276
36 288
37 300
38 308
39 320
40 330
41 340
42 352
43 360
44 372
45 384
46 390
47 396
48 410
49 434
50 450
51 456
52 462
53 472
54 480
55 492
56 508

List of values

[1, 3, 5, 8, 12, 18, 24, 30, 36, 42, 52, 60, 68, 78, 84, 90, 100, 112, 120, 128, 138, 144, 152, 162, 172, 186, 198, 204, 210, 216, 222, 240, 258, 268, 276, 288, 300, 308, 320, 330, 340, 352, 360, 372, 384, 390, 396, 410, 434, 450, 456, 462, 472, 480, 492, 508]