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.

A130216 a(0) = 3; a(n) = a(n-1) + (number of multiples of 3 so far in the sequence).

Table of values

n a(n)
0 3
1 4
2 5
3 6
4 8
5 10
6 12
7 15
8 19
9 23
10 27
11 32
12 37
13 42
14 48
15 55
16 62
17 69
18 77
19 85
20 93
21 102
22 112
23 122
24 132
25 143
26 154
27 165
28 177
29 190
30 203
31 216
32 230
33 244
34 258
35 273
36 289
37 305
38 321
39 338
40 355
41 372
42 390
43 409
44 428
45 447
46 467
47 487
48 507
49 528
50 550
51 572
52 594
53 617
54 640
55 663
56 687
57 712

List of values

[3, 4, 5, 6, 8, 10, 12, 15, 19, 23, 27, 32, 37, 42, 48, 55, 62, 69, 77, 85, 93, 102, 112, 122, 132, 143, 154, 165, 177, 190, 203, 216, 230, 244, 258, 273, 289, 305, 321, 338, 355, 372, 390, 409, 428, 447, 467, 487, 507, 528, 550, 572, 594, 617, 640, 663, 687, 712]