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.

A109131 Admirable numbers such that the subtracted divisor is a triangular number.

Table of values

n a(n)
1 20
2 24
3 30
4 42
5 54
6 66
7 78
8 84
9 102
10 104
11 114
12 138
13 140
14 174
15 186
16 222
17 224
18 246
19 258
20 282
21 308
22 318
23 354
24 364
25 366
26 402
27 426
28 438
29 464
30 474
31 476
32 498
33 532
34 534
35 582
36 606
37 618
38 642
39 644
40 650
41 654
42 678
43 762
44 786
45 812
46 822
47 834
48 868
49 894
50 906
51 942
52 945
53 978

List of values

[20, 24, 30, 42, 54, 66, 78, 84, 102, 104, 114, 138, 140, 174, 186, 222, 224, 246, 258, 282, 308, 318, 354, 364, 366, 402, 426, 438, 464, 474, 476, 498, 532, 534, 582, 606, 618, 642, 644, 650, 654, 678, 762, 786, 812, 822, 834, 868, 894, 906, 942, 945, 978]