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.

A367481 Primitive practical numbers of the form 2 * 3^i * prime(k).

Table of values

n a(n)
1 30
2 42
3 66
4 78
5 306
6 342
7 414
8 522
9 558
10 666
11 2214
12 2322
13 2538
14 2862
15 3186
16 3294
17 3618
18 3834
19 3942
20 4266
21 4482
22 4806
23 5238
24 5454
25 5562
26 5778
27 5886
28 6102
29 20574
30 21222
31 22194
32 22518
33 24138
34 24462
35 25434
36 26406
37 27054
38 28026
39 28998
40 29322
41 30942
42 31266
43 31914

List of values

[30, 42, 66, 78, 306, 342, 414, 522, 558, 666, 2214, 2322, 2538, 2862, 3186, 3294, 3618, 3834, 3942, 4266, 4482, 4806, 5238, 5454, 5562, 5778, 5886, 6102, 20574, 21222, 22194, 22518, 24138, 24462, 25434, 26406, 27054, 28026, 28998, 29322, 30942, 31266, 31914]

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

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