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.

A305705 Positive integers which are not the semiperimeter of any triangle with integer sides and area.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 10
8 11
9 13
10 14
11 17
12 19
13 23
14 26
15 29
16 31
17 37
18 41
19 43
20 46
21 47
22 51
23 53
24 58
25 59
26 61
27 62
28 67
29 69
30 71
31 73
32 74
33 79
34 83
35 89
36 92
37 94
38 97
39 101
40 103
41 106
42 107
43 109
44 113
45 122
46 123
47 127
48 131
49 137
50 139
51 141
52 142
53 149
54 151
55 157
56 158
57 163
58 167
59 173
60 179
61 181

List of values

[1, 2, 3, 4, 5, 7, 10, 11, 13, 14, 17, 19, 23, 26, 29, 31, 37, 41, 43, 46, 47, 51, 53, 58, 59, 61, 62, 67, 69, 71, 73, 74, 79, 83, 89, 92, 94, 97, 101, 103, 106, 107, 109, 113, 122, 123, 127, 131, 137, 139, 141, 142, 149, 151, 157, 158, 163, 167, 173, 179, 181]

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

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