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.

A135412 Integers that equal three times the Heronian mean of two positive integers.

Table of values

n a(n)
1 3
2 6
3 7
4 9
5 12
6 13
7 14
8 15
9 18
10 19
11 21
12 24
13 26
14 27
15 28
16 30
17 31
18 33
19 35
20 36
21 37
22 38
23 39
24 42
25 43
26 45
27 48
28 49
29 51
30 52
31 54
32 56
33 57
34 60
35 61
36 62
37 63
38 65
39 66
40 67
41 69
42 70
43 72
44 73
45 74
46 75
47 76
48 77
49 78
50 79
51 81
52 84
53 86
54 87
55 90
56 91
57 93
58 95
59 96
60 97
61 98
62 99
63 102
64 103
65 104
66 105
67 108
68 109
69 111

List of values

[3, 6, 7, 9, 12, 13, 14, 15, 18, 19, 21, 24, 26, 27, 28, 30, 31, 33, 35, 36, 37, 38, 39, 42, 43, 45, 48, 49, 51, 52, 54, 56, 57, 60, 61, 62, 63, 65, 66, 67, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79, 81, 84, 86, 87, 90, 91, 93, 95, 96, 97, 98, 99, 102, 103, 104, 105, 108, 109, 111]

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

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