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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.

A171974 Integer part of the height of a regular tetrahedron with edge length n.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 4
7 5
8 6
9 7
10 8
11 8
12 9
13 10
14 11
15 12
16 13
17 13
18 14
19 15
20 16
21 17
22 17
23 18
24 19
25 20
26 21
27 22
28 22
29 23
30 24
31 25
32 26
33 26
34 27
35 28
36 29
37 30
38 31
39 31
40 32
41 33
42 34
43 35
44 35
45 36
46 37
47 38
48 39
49 40
50 40
51 41
52 42
53 43
54 44
55 44
56 45
57 46
58 47
59 48
60 48
61 49
62 50
63 51
64 52
65 53
66 53
67 54
68 55
69 56
70 57
71 57
72 58
73 59

List of values

[0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 13, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 26, 26, 27, 28, 29, 30, 31, 31, 32, 33, 34, 35, 35, 36, 37, 38, 39, 40, 40, 41, 42, 43, 44, 44, 45, 46, 47, 48, 48, 49, 50, 51, 52, 53, 53, 54, 55, 56, 57, 57, 58, 59]

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

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