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.

A319877 Numbers whose product of prime indices (A003963) is a square of a squarefree number (A062503).

Table of values

n a(n)
1 1
2 7
3 9
4 14
5 18
6 23
7 25
8 28
9 36
10 46
11 50
12 56
13 72
14 92
15 97
16 100
17 112
18 121
19 144
20 151
21 161
22 169
23 175
24 183
25 184
26 185
27 194
28 195
29 200
30 207
31 224
32 225
33 227
34 242
35 288
36 289
37 302
38 322
39 338
40 350
41 366
42 368
43 370
44 388
45 390
46 400
47 414
48 448
49 450
50 454
51 484
52 541
53 576
54 578
55 604
56 644

List of values

[1, 7, 9, 14, 18, 23, 25, 28, 36, 46, 50, 56, 72, 92, 97, 100, 112, 121, 144, 151, 161, 169, 175, 183, 184, 185, 194, 195, 200, 207, 224, 225, 227, 242, 288, 289, 302, 322, 338, 350, 366, 368, 370, 388, 390, 400, 414, 448, 450, 454, 484, 541, 576, 578, 604, 644]