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.

A100287 First occurrence of n in A100002; the least k such that A100002(k) = n.

Table of values

n a(n)
1 1
2 2
3 5
4 9
5 15
6 25
7 31
8 43
9 61
10 67
11 87
12 103
13 123
14 139
15 169
16 183
17 219
18 241
19 259
20 301
21 331
22 361
23 391
24 447
25 463
26 511
27 553
28 589
29 643
30 687
31 723
32 783
33 819
34 867
35 931
36 979
37 1027
38 1099
39 1179
40 1227
41 1309
42 1347
43 1393
44 1479
45 1539
46 1603
47 1699
48 1759
49 1863
50 1909
51 2019
52 2029

List of values

[1, 2, 5, 9, 15, 25, 31, 43, 61, 67, 87, 103, 123, 139, 169, 183, 219, 241, 259, 301, 331, 361, 391, 447, 463, 511, 553, 589, 643, 687, 723, 783, 819, 867, 931, 979, 1027, 1099, 1179, 1227, 1309, 1347, 1393, 1479, 1539, 1603, 1699, 1759, 1863, 1909, 2019, 2029]