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.

A001837 Numbers k such that phi(2k+1) < phi(2k).

Table of values

n a(n)
1 157
2 262
3 367
4 412
5 472
6 487
7 577
8 682
9 787
10 877
11 892
12 907
13 997
14 1072
15 1207
16 1237
17 1312
18 1402
19 1522
20 1567
21 1627
22 1657
23 1732
24 1852
25 1942
26 2047
27 2062
28 2152
29 2194
30 2257
31 2362
32 2437
33 2467
34 2557
35 2572
36 2677
37 2722
38 2782

List of values

[157, 262, 367, 412, 472, 487, 577, 682, 787, 877, 892, 907, 997, 1072, 1207, 1237, 1312, 1402, 1522, 1567, 1627, 1657, 1732, 1852, 1942, 2047, 2062, 2152, 2194, 2257, 2362, 2437, 2467, 2557, 2572, 2677, 2722, 2782]