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.

A082957 Numbers n such that sigma(2n) < sigma(2n+1).

Table of values

n a(n)
1 1
2 31
3 37
4 67
5 73
6 97
7 127
8 157
9 199
10 202
11 229
12 241
13 247
14 262
15 277
16 283
17 307
18 313
19 331
20 337
21 346
22 367
23 379
24 382
25 397
26 409
27 427
28 457
29 472
30 487
31 499
32 517
33 547
34 562
35 577
36 607
37 619
38 643
39 661
40 697
41 727
42 757
43 769
44 787
45 823
46 829
47 841
48 877
49 892
50 907
51 913
52 922
53 937

List of values

[1, 31, 37, 67, 73, 97, 127, 157, 199, 202, 229, 241, 247, 262, 277, 283, 307, 313, 331, 337, 346, 367, 379, 382, 397, 409, 427, 457, 472, 487, 499, 517, 547, 562, 577, 607, 619, 643, 661, 697, 727, 757, 769, 787, 823, 829, 841, 877, 892, 907, 913, 922, 937]