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.

A355680 Numerator generator for offsets from the quarter points of the Cantor ternary set to the center points of deleted middle thirds: 1 is in the list and if m is in the list -3m-4 and -3m+4 are in the list, which is ordered by absolute value.

Table of values

n a(n)
1 1
2 -7
3 17
4 25
5 -47
6 -55
7 -71
8 -79
9 137
10 145
11 161
12 169
13 209
14 217
15 233
16 241
17 -407
18 -415
19 -431
20 -439
21 -479
22 -487
23 -503
24 -511
25 -623
26 -631
27 -647
28 -655
29 -695
30 -703
31 -719
32 -727
33 1217
34 1225
35 1241
36 1249
37 1289
38 1297
39 1313
40 1321
41 1433
42 1441
43 1457
44 1465
45 1505
46 1513
47 1529
48 1537
49 1865

List of values

[1, -7, 17, 25, -47, -55, -71, -79, 137, 145, 161, 169, 209, 217, 233, 241, -407, -415, -431, -439, -479, -487, -503, -511, -623, -631, -647, -655, -695, -703, -719, -727, 1217, 1225, 1241, 1249, 1289, 1297, 1313, 1321, 1433, 1441, 1457, 1465, 1505, 1513, 1529, 1537, 1865]