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.

A320885 7-smooth but not 5-smooth numbers of the form (ab+1)(ac+1), a > b > c > 0.

Table of values

n a(n)
1 28
2 126
3 175
4 280
5 336
6 378
7 441
8 560
9 630
10 672
11 1225
12 1470
13 1680
14 1701
15 1792
16 2016
17 2520
18 2835
19 3136
20 3969
21 4200
22 5250
23 5600
24 6860
25 7840
26 7875
27 8400
28 8960
29 9072
30 9408
31 11025
32 11340
33 12096
34 13125
35 15120
36 17640
37 19845
38 20160
39 21000
40 23520
41 24696
42 27440
43 30625
44 32928
45 35000

List of values

[28, 126, 175, 280, 336, 378, 441, 560, 630, 672, 1225, 1470, 1680, 1701, 1792, 2016, 2520, 2835, 3136, 3969, 4200, 5250, 5600, 6860, 7840, 7875, 8400, 8960, 9072, 9408, 11025, 11340, 12096, 13125, 15120, 17640, 19845, 20160, 21000, 23520, 24696, 27440, 30625, 32928, 35000]