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.

A162795 Total number of toothpicks in the toothpick structure A139250 that are parallel to the initial toothpick, after n odd rounds.

Table of values

n a(n)
1 1
2 5
3 9
4 21
5 25
6 37
7 53
8 85
9 89
10 101
11 117
12 149
13 165
14 201
15 261
16 341
17 345
18 357
19 373
20 405
21 421
22 457
23 517
24 597
25 613
26 649
27 709
28 793
29 853
30 965
31 1173
32 1365
33 1369
34 1381
35 1397
36 1429
37 1445
38 1481
39 1541
40 1621
41 1637
42 1673
43 1733
44 1817
45 1877
46 1989
47 2197
48 2389
49 2405
50 2441
51 2501

List of values

[1, 5, 9, 21, 25, 37, 53, 85, 89, 101, 117, 149, 165, 201, 261, 341, 345, 357, 373, 405, 421, 457, 517, 597, 613, 649, 709, 793, 853, 965, 1173, 1365, 1369, 1381, 1397, 1429, 1445, 1481, 1541, 1621, 1637, 1673, 1733, 1817, 1877, 1989, 2197, 2389, 2405, 2441, 2501]