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.

A334901 Infinitary practical numbers: numbers m such that every number 1 <= k <= isigma(m) is a sum of distinct infinitary divisors of m, where isigma is A049417.

Table of values

n a(n)
1 1
2 2
3 6
4 8
5 24
6 30
7 40
8 42
9 54
10 56
11 66
12 72
13 78
14 88
15 104
16 120
17 128
18 168
19 210
20 216
21 264
22 270
23 280
24 312
25 330
26 360
27 378
28 384
29 390
30 408
31 440
32 456
33 462
34 480
35 504
36 510
37 520
38 546
39 552
40 570
41 594
42 600
43 616
44 640
45 672
46 680
47 690
48 696
49 702
50 714
51 728
52 744
53 750
54 760
55 792
56 798

List of values

[1, 2, 6, 8, 24, 30, 40, 42, 54, 56, 66, 72, 78, 88, 104, 120, 128, 168, 210, 216, 264, 270, 280, 312, 330, 360, 378, 384, 390, 408, 440, 456, 462, 480, 504, 510, 520, 546, 552, 570, 594, 600, 616, 640, 672, 680, 690, 696, 702, 714, 728, 744, 750, 760, 792, 798]

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

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