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.

A100037 Positions of occurrences of the natural numbers as a second subsequence in A100035.

Table of values

n a(n)
1 4
2 9
3 18
4 31
5 48
6 69
7 94
8 123
9 156
10 193
11 234
12 279
13 328
14 381
15 438
16 499
17 564
18 633
19 706
20 783
21 864
22 949
23 1038
24 1131
25 1228
26 1329
27 1434
28 1543
29 1656
30 1773
31 1894
32 2019
33 2148
34 2281
35 2418
36 2559
37 2704
38 2853
39 3006
40 3163
41 3324
42 3489
43 3658
44 3831
45 4008
46 4189
47 4374
48 4563

List of values

[4, 9, 18, 31, 48, 69, 94, 123, 156, 193, 234, 279, 328, 381, 438, 499, 564, 633, 706, 783, 864, 949, 1038, 1131, 1228, 1329, 1434, 1543, 1656, 1773, 1894, 2019, 2148, 2281, 2418, 2559, 2704, 2853, 3006, 3163, 3324, 3489, 3658, 3831, 4008, 4189, 4374, 4563]