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.

A340240 Odd composite integers m such that A004254(3*m-J(m,21)) == 5*J(m,21) (mod m) and gcd(m,21)=1, where J(m,21) is the Jacobi symbol.

Table of values

n a(n)
1 55
2 407
3 527
4 529
5 551
6 559
7 965
8 1199
9 1265
10 1633
11 1807
12 1919
13 1961
14 3401
15 3959
16 4033
17 4381
18 5461
19 5777
20 5977
21 5983
22 6049
23 6233
24 6439
25 6479
26 7141
27 7195
28 7645
29 7999
30 8639
31 8695
32 8993
33 9265
34 9361
35 11663
36 11989
37 12209
38 12265
39 13019
40 13021
41 13199
42 14023
43 14465
44 14491

List of values

[55, 407, 527, 529, 551, 559, 965, 1199, 1265, 1633, 1807, 1919, 1961, 3401, 3959, 4033, 4381, 5461, 5777, 5977, 5983, 6049, 6233, 6439, 6479, 7141, 7195, 7645, 7999, 8639, 8695, 8993, 9265, 9361, 11663, 11989, 12209, 12265, 13019, 13021, 13199, 14023, 14465, 14491]