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.

A380988 Sorted positions of first appearances in A290106 (product of prime indices divided by product of distinct prime indices).

Table of values

n a(n)
1 1
2 9
3 25
4 27
5 81
6 121
7 125
8 169
9 243
10 289
11 625
12 675
13 729
14 841
15 961
16 1125
17 1331
18 1681
19 1849
20 2025
21 2187
22 2197
23 2209
24 3125
25 3267
26 3481
27 4489
28 4913
29 5329
30 5625
31 6075
32 6241
33 6561
34 6889
35 7803
36 9801
37 10125
38 10201
39 11881
40 11979
41 12769
42 14641
43 15125
44 15625
45 16129

List of values

[1, 9, 25, 27, 81, 121, 125, 169, 243, 289, 625, 675, 729, 841, 961, 1125, 1331, 1681, 1849, 2025, 2187, 2197, 2209, 3125, 3267, 3481, 4489, 4913, 5329, 5625, 6075, 6241, 6561, 6889, 7803, 9801, 10125, 10201, 11881, 11979, 12769, 14641, 15125, 15625, 16129]