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.

A119425 Primitive terms of the sequence A119357, i.e., of the sequence of those values of n for which the number of distinct nonzero sums of distinct divisors of n is less than 2^tau(n) - 1.

Table of values

n a(n)
1 6
2 20
3 28
4 45
5 63
6 70
7 88
8 99
9 104
10 105
11 110
12 117
13 130
14 154
15 165
16 170
17 182
18 195
19 231
20 238
21 255
22 266
23 272
24 273
25 285
26 286
27 304
28 322
29 345
30 357
31 368
32 374
33 385
34 399
35 418
36 429
37 455
38 459
39 464
40 475
41 483
42 494
43 496
44 506
45 513
46 561
47 595
48 598
49 609
50 621
51 627
52 646
53 651
54 663

List of values

[6, 20, 28, 45, 63, 70, 88, 99, 104, 105, 110, 117, 130, 154, 165, 170, 182, 195, 231, 238, 255, 266, 272, 273, 285, 286, 304, 322, 345, 357, 368, 374, 385, 399, 418, 429, 455, 459, 464, 475, 483, 494, 496, 506, 513, 561, 595, 598, 609, 621, 627, 646, 651, 663]

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

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