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.

A317412 Practical numbers (A005153) that are not numbers whose divisors increase by a factor of 2 or less (A174973).

Table of values

n a(n)
1 78
2 348
3 666
4 820
5 860
6 1014
7 1272
8 1326
9 1416
10 1464
11 1482
12 1794
13 1830
14 2010
15 2130
16 2190
17 2262
18 2418
19 2628
20 2844
21 2886
22 2988
23 3198
24 3204
25 3320
26 3354
27 3560
28 3666
29 3738
30 4074
31 4134
32 4602
33 4656
34 4758
35 4848
36 4944
37 5136
38 5226
39 5232
40 5424
41 5538
42 5694
43 5886
44 6102
45 6162
46 6328

List of values

[78, 348, 666, 820, 860, 1014, 1272, 1326, 1416, 1464, 1482, 1794, 1830, 2010, 2130, 2190, 2262, 2418, 2628, 2844, 2886, 2988, 3198, 3204, 3320, 3354, 3560, 3666, 3738, 4074, 4134, 4602, 4656, 4758, 4848, 4944, 5136, 5226, 5232, 5424, 5538, 5694, 5886, 6102, 6162, 6328]

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

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