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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.

A004160 Sum of digits of the n-th tetrahedral number.

Table of values

n a(n)
1 1
2 4
3 1
4 2
5 8
6 11
7 12
8 3
9 12
10 4
11 16
12 13
13 14
14 11
15 14
16 15
17 24
18 6
19 7
20 10
21 16
22 8
23 5
24 8
25 18
26 18
27 18
28 10
29 22
30 19
31 20
32 26
33 20
34 12
35 21
36 21
37 22
38 25
39 13
40 14
41 11
42 14
43 15
44 15
45 15
46 25
47 19
48 16
49 17
50 5
51 17
52 18
53 18
54 18
55 19
56 22
57 19
58 11
59 26
60 20
61 21
62 21
63 21
64 22
65 25
66 13
67 23
68 20
69 23
70 24
71 24
72 24
73 25
74 10
75 16
76 26

List of values

[1, 4, 1, 2, 8, 11, 12, 3, 12, 4, 16, 13, 14, 11, 14, 15, 24, 6, 7, 10, 16, 8, 5, 8, 18, 18, 18, 10, 22, 19, 20, 26, 20, 12, 21, 21, 22, 25, 13, 14, 11, 14, 15, 15, 15, 25, 19, 16, 17, 5, 17, 18, 18, 18, 19, 22, 19, 11, 26, 20, 21, 21, 21, 22, 25, 13, 23, 20, 23, 24, 24, 24, 25, 10, 16, 26]

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

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