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.

A182838 H-toothpick sequence in the first quadrant starting with a D-toothpick placed on the diagonal [(0,1), (1,2)] (see Comments for precise definition).

Table of values

n a(n)
0 0
1 1
2 3
3 7
4 11
5 15
6 21
7 31
8 39
9 43
10 49
11 61
12 77
13 91
14 105
15 127
16 143
17 147
18 153
19 165
20 181
21 197
22 217
23 249
24 285
25 307
26 321
27 349
28 391
29 431
30 467
31 517
32 549
33 553
34 559
35 571
36 587
37 603
38 623
39 655
40 691
41 715

List of values

[0, 1, 3, 7, 11, 15, 21, 31, 39, 43, 49, 61, 77, 91, 105, 127, 143, 147, 153, 165, 181, 197, 217, 249, 285, 307, 321, 349, 391, 431, 467, 517, 549, 553, 559, 571, 587, 603, 623, 655, 691, 715]