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.

A139013 a(n) = A074924(n)/2.

Table of values

n a(n)
1 3
2 5
3 6
4 12
5 21
6 24
7 31
8 36
9 42
10 45
11 55
12 60
13 61
14 87
15 102
16 104
17 110
18 116
19 120
20 132
21 153
22 163
23 168
24 186
25 193
26 204
27 205
28 222
29 227
30 228
31 234
32 235
33 237
34 261
35 273
36 275
37 297
38 300
39 315
40 320
41 321
42 343
43 370
44 375
45 381
46 383
47 394
48 401
49 426
50 438
51 441
52 460
53 468
54 485
55 486
56 489

List of values

[3, 5, 6, 12, 21, 24, 31, 36, 42, 45, 55, 60, 61, 87, 102, 104, 110, 116, 120, 132, 153, 163, 168, 186, 193, 204, 205, 222, 227, 228, 234, 235, 237, 261, 273, 275, 297, 300, 315, 320, 321, 343, 370, 375, 381, 383, 394, 401, 426, 438, 441, 460, 468, 485, 486, 489]