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.

A233762 Number of toothpicks and D-toothpicks after n-th stage in the D-toothpick "narrow" triangle of the third kind, second version.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 9
5 11
6 15
7 20
8 28
9 30
10 34
11 40
12 52
13 58
14 64
15 75
16 91
17 93
18 97
19 103
20 115
21 129
22 145
23 163
24 187
25 197
26 205
27 219
28 247
29 261
30 277
31 300
32 332
33 334
34 338
35 344
36 356
37 370
38 386
39 406
40 438
41 464
42 484
43 506
44 546
45 576
46 616
47 655
48 703
49 721
50 729

List of values

[0, 1, 3, 5, 9, 11, 15, 20, 28, 30, 34, 40, 52, 58, 64, 75, 91, 93, 97, 103, 115, 129, 145, 163, 187, 197, 205, 219, 247, 261, 277, 300, 332, 334, 338, 344, 356, 370, 386, 406, 438, 464, 484, 506, 546, 576, 616, 655, 703, 721, 729]