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.

A371721 Numbers representable in the form u*v*(u+v) for u >= v >= 0 in at least two ways.

Table of values

n a(n)
1 0
2 30
3 210
4 240
5 390
6 420
7 462
8 810
9 880
10 1008
11 1020
12 1056
13 1122
14 1190
15 1482
16 1680
17 1920
18 1980
19 2070
20 2100
21 2310
22 2970
23 3120
24 3360
25 3696
26 3750
27 4160
28 4290
29 4320
30 4830
31 4914
32 5460
33 5670
34 6006
35 6090
36 6270
37 6480
38 6630
39 7040
40 7380
41 7440
42 7770
43 8064
44 8160
45 8190
46 8448
47 8580
48 8976
49 9120
50 9240
51 9520
52 9900
53 10290
54 10530
55 10640
56 11340
57 11856
58 12210
59 12432
60 12474
61 13110

List of values

[0, 30, 210, 240, 390, 420, 462, 810, 880, 1008, 1020, 1056, 1122, 1190, 1482, 1680, 1920, 1980, 2070, 2100, 2310, 2970, 3120, 3360, 3696, 3750, 4160, 4290, 4320, 4830, 4914, 5460, 5670, 6006, 6090, 6270, 6480, 6630, 7040, 7380, 7440, 7770, 8064, 8160, 8190, 8448, 8580, 8976, 9120, 9240, 9520, 9900, 10290, 10530, 10640, 11340, 11856, 12210, 12432, 12474, 13110]