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.

A142958 Roman numerals containing three letters (i.e., III, VII, XII, XIV, ...).

Table of values

n a(n)
1 3
2 7
3 12
4 14
5 16
6 19
7 21
8 25
9 30
10 41
11 45
12 52
13 54
14 56
15 59
16 61
17 65
18 70
19 91
20 95
21 102
22 104
23 106
24 109
25 111
26 115
27 120
28 140
29 151
30 155
31 160
32 190
33 201
34 205
35 210
36 250
37 300
38 401
39 405
40 410
41 450
42 502
43 504
44 506
45 509
46 511
47 515
48 520
49 540
50 551
51 555
52 560
53 590
54 601
55 605
56 610
57 650

List of values

[3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, 91, 95, 102, 104, 106, 109, 111, 115, 120, 140, 151, 155, 160, 190, 201, 205, 210, 250, 300, 401, 405, 410, 450, 502, 504, 506, 509, 511, 515, 520, 540, 551, 555, 560, 590, 601, 605, 610, 650]