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.

A340497 Index where 2*n first appears in A340488.

Table of values

n a(n)
0 1
1 6
2 16
3 21
4 56
5 61
6 71
7 76
8 216
9 221
10 231
11 236
12 271
13 276
14 286
15 291
16 856
17 861
18 871
19 876
20 911
21 916
22 926
23 931
24 1071
25 1076
26 1086
27 1091
28 1126
29 1131
30 1141
31 1146
32 3416
33 3421
34 3431
35 3436
36 3471
37 3476
38 3486
39 3491
40 3631
41 3636
42 3646
43 3651
44 3686
45 3691
46 3701
47 3706
48 4271
49 4276
50 4286

List of values

[1, 6, 16, 21, 56, 61, 71, 76, 216, 221, 231, 236, 271, 276, 286, 291, 856, 861, 871, 876, 911, 916, 926, 931, 1071, 1076, 1086, 1091, 1126, 1131, 1141, 1146, 3416, 3421, 3431, 3436, 3471, 3476, 3486, 3491, 3631, 3636, 3646, 3651, 3686, 3691, 3701, 3706, 4271, 4276, 4286]