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.

A066308 a(n) = (sum of digits of n) * (product of digits of n).

Table of values

n a(n)
1 1
2 4
3 9
4 16
5 25
6 36
7 49
8 64
9 81
10 0
11 2
12 6
13 12
14 20
15 30
16 42
17 56
18 72
19 90
20 0
21 6
22 16
23 30
24 48
25 70
26 96
27 126
28 160
29 198
30 0
31 12
32 30
33 54
34 84
35 120
36 162
37 210
38 264
39 324
40 0
41 20
42 48
43 84
44 128
45 180
46 240
47 308
48 384
49 468
50 0
51 30
52 70
53 120
54 180
55 250
56 330
57 420
58 520
59 630
60 0
61 42
62 96
63 162
64 240
65 330

List of values

[1, 4, 9, 16, 25, 36, 49, 64, 81, 0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 0, 6, 16, 30, 48, 70, 96, 126, 160, 198, 0, 12, 30, 54, 84, 120, 162, 210, 264, 324, 0, 20, 48, 84, 128, 180, 240, 308, 384, 468, 0, 30, 70, 120, 180, 250, 330, 420, 520, 630, 0, 42, 96, 162, 240, 330]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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