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.

A354293 a(n) is the least integer m such that A001006(m) is divisible by prime(n)^2 or -1 if no such m exists.

Table of values

n a(n)
1 3
2 4
3 -1
4 23
5 21
6 -1
7 188
8 65
9 1010
10 2231
11 -1
12 -1
13 1326
14 389
15 1092
16 13196
17 1450
18 -1
19 40466
20 85553
21 665
22 -1
23 5139193
24 333
25 -1
26 408241
27 -1
28 3072
29 6702
30 1393
31 5832
32 935
33 1071
34 77421
35 292187
36 775383
37 493135
38 4185
39 1784560
40 10632
41 7935
42 743003
43 13418
44 64499
45 1746798
46 12176
47 152551

List of values

[3, 4, -1, 23, 21, -1, 188, 65, 1010, 2231, -1, -1, 1326, 389, 1092, 13196, 1450, -1, 40466, 85553, 665, -1, 5139193, 333, -1, 408241, -1, 3072, 6702, 1393, 5832, 935, 1071, 77421, 292187, 775383, 493135, 4185, 1784560, 10632, 7935, 743003, 13418, 64499, 1746798, 12176, 152551]