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.

A217627 a(n) is the sum of the products of the nonzero digits of the numbers from 1 to n.

Table of values

n a(n)
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
9 45
10 46
11 47
12 49
13 52
14 56
15 61
16 67
17 74
18 82
19 91
20 93
21 95
22 99
23 105
24 113
25 123
26 135
27 149
28 165
29 183
30 186
31 189
32 195
33 204
34 216
35 231
36 249
37 270
38 294
39 321
40 325
41 329
42 337
43 349
44 365
45 385
46 409
47 437
48 469
49 505
50 510
51 515
52 525
53 540
54 560
55 585
56 615
57 650

List of values

[1, 3, 6, 10, 15, 21, 28, 36, 45, 46, 47, 49, 52, 56, 61, 67, 74, 82, 91, 93, 95, 99, 105, 113, 123, 135, 149, 165, 183, 186, 189, 195, 204, 216, 231, 249, 270, 294, 321, 325, 329, 337, 349, 365, 385, 409, 437, 469, 505, 510, 515, 525, 540, 560, 585, 615, 650]