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.

A236359 Pseudoperfect (or semiperfect) numbers in which a sum of contiguous proper divisors of n equals n.

Table of values

n a(n)
1 6
2 18
3 24
4 28
5 36
6 42
7 54
8 66
9 78
10 102
11 108
12 114
13 126
14 132
15 138
16 162
17 174
18 186
19 196
20 198
21 222
22 234
23 246
24 258
25 282
26 288
27 294
28 306
29 318
30 324
31 342
32 354
33 360
34 366
35 378
36 402
37 414
38 426
39 432
40 438
41 462
42 474
43 486
44 496
45 498
46 504
47 522
48 534
49 540
50 546
51 558
52 582
53 594
54 600
55 606
56 618
57 642
58 654
59 666
60 678
61 684
62 690
63 696
64 702
65 714
66 726

List of values

[6, 18, 24, 28, 36, 42, 54, 66, 78, 102, 108, 114, 126, 132, 138, 162, 174, 186, 196, 198, 222, 234, 246, 258, 282, 288, 294, 306, 318, 324, 342, 354, 360, 366, 378, 402, 414, 426, 432, 438, 462, 474, 486, 496, 498, 504, 522, 534, 540, 546, 558, 582, 594, 600, 606, 618, 642, 654, 666, 678, 684, 690, 696, 702, 714, 726]

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

Content is available under The OEIS End-User License Agreement.