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.

A170886 Similar to A160406, but always staying outside the wedge, starting at stage 1 with a toothpick whose midpoint touches the vertex of the wedge.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 7
5 11
6 17
7 23
8 29
9 37
10 49
11 55
12 63
13 75
14 93
15 107
16 121
17 141
18 161
19 167
20 175
21 187
22 205
23 219
24 235
25 259
26 285
27 301
28 325
29 363
30 409
31 447
32 489
33 541
34 577
35 583
36 591
37 603
38 621
39 635
40 651
41 675
42 701
43 717
44 741
45 779
46 825
47 863
48 907
49 963
50 1005
51 1021
52 1045
53 1083
54 1129

List of values

[0, 1, 3, 5, 7, 11, 17, 23, 29, 37, 49, 55, 63, 75, 93, 107, 121, 141, 161, 167, 175, 187, 205, 219, 235, 259, 285, 301, 325, 363, 409, 447, 489, 541, 577, 583, 591, 603, 621, 635, 651, 675, 701, 717, 741, 779, 825, 863, 907, 963, 1005, 1021, 1045, 1083, 1129]