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.

A270672 Löschian numbers (A003136) that are multiples of 3.

Table of values

n a(n)
1 0
2 3
3 9
4 12
5 21
6 27
7 36
8 39
9 48
10 57
11 63
12 75
13 81
14 84
15 93
16 108
17 111
18 117
19 129
20 144
21 147
22 156
23 171
24 183
25 189
26 192
27 201
28 219
29 225
30 228
31 237
32 243
33 252
34 273
35 279
36 291
37 300
38 309
39 324
40 327
41 333
42 336
43 351
44 363
45 372
46 381
47 387
48 399
49 417
50 432
51 441
52 444
53 453
54 468
55 471
56 489
57 507
58 513
59 516
60 525
61 543
62 549

List of values

[0, 3, 9, 12, 21, 27, 36, 39, 48, 57, 63, 75, 81, 84, 93, 108, 111, 117, 129, 144, 147, 156, 171, 183, 189, 192, 201, 219, 225, 228, 237, 243, 252, 273, 279, 291, 300, 309, 324, 327, 333, 336, 351, 363, 372, 381, 387, 399, 417, 432, 441, 444, 453, 468, 471, 489, 507, 513, 516, 525, 543, 549]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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