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.

A061078 Sum of the products of the digits of the first n positive even numbers.

Table of values

n a(n)
1 2
2 6
3 12
4 20
5 20
6 22
7 26
8 32
9 40
10 40
11 44
12 52
13 64
14 80
15 80
16 86
17 98
18 116
19 140
20 140
21 148
22 164
23 188
24 220
25 220
26 230
27 250
28 280
29 320
30 320
31 332
32 356
33 392
34 440
35 440
36 454
37 482
38 524
39 580
40 580
41 596
42 628
43 676
44 740
45 740
46 758
47 794
48 848
49 920
50 920
51 920
52 920
53 920
54 920
55 920
56 922

List of values

[2, 6, 12, 20, 20, 22, 26, 32, 40, 40, 44, 52, 64, 80, 80, 86, 98, 116, 140, 140, 148, 164, 188, 220, 220, 230, 250, 280, 320, 320, 332, 356, 392, 440, 440, 454, 482, 524, 580, 580, 596, 628, 676, 740, 740, 758, 794, 848, 920, 920, 920, 920, 920, 920, 920, 922]