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.

A003670 a(n) is smallest number which is uniquely a(j)+a(k).

Table of values

n a(n)
1 4
2 7
3 11
4 15
5 18
6 19
7 23
8 25
9 27
10 31
11 32
12 33
13 35
14 41
15 47
16 49
17 55
18 57
19 61
20 63
21 75
22 87
23 89
24 91
25 105
26 119
27 121
28 125
29 129
30 133
31 139
32 147
33 153
34 161
35 185
36 189
37 203
38 206
39 213
40 225
41 233
42 235
43 241
44 243
45 251
46 257
47 259
48 265
49 273
50 281
51 285
52 293
53 295
54 303
55 305
56 307
57 309
58 317

List of values

[4, 7, 11, 15, 18, 19, 23, 25, 27, 31, 32, 33, 35, 41, 47, 49, 55, 57, 61, 63, 75, 87, 89, 91, 105, 119, 121, 125, 129, 133, 139, 147, 153, 161, 185, 189, 203, 206, 213, 225, 233, 235, 241, 243, 251, 257, 259, 265, 273, 281, 285, 293, 295, 303, 305, 307, 309, 317]