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.

A057229 a(n) = a*b = x*y with (a-b) = (x+y) = A020882(n) (a>b, a>0, b>0, x>0, y>0), gcd(a, b) = gcd(x, y) = 1.

Table of values

n a(n)
0 6
1 30
2 60
3 84
4 210
5 210
6 180
7 630
8 330
9 504
10 924
11 1320
12 546
13 1386
14 1560
15 2340
16 990
17 2730
18 840
19 2574
20 4620
21 1224
22 1716
23 3570
24 5610
25 7140
26 4290
27 1710
28 5016
29 7956
30 7980
31 2730
32 7854
33 10374
34 2310
35 11970
36 6630
37 10920
38 12540
39 4080
40 3036
41 11856
42 8970

List of values

[6, 30, 60, 84, 210, 210, 180, 630, 330, 504, 924, 1320, 546, 1386, 1560, 2340, 990, 2730, 840, 2574, 4620, 1224, 1716, 3570, 5610, 7140, 4290, 1710, 5016, 7956, 7980, 2730, 7854, 10374, 2310, 11970, 6630, 10920, 12540, 4080, 3036, 11856, 8970]