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.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 9 |
8 | 27 |
9 | 81 |
10 | 243 |
11 | 731 |
12 | 2223 |
13 | 6939 |
14 | 22727 |
15 | 79971 |
16 | 306929 |
17 | 1282815 |
18 | 5744361 |
19 | 26984415 |
20 | 130656409 |
21 | 644739377 |
22 | 3224303841 |
23 | 16318576681 |
24 | 83717193681 |
25 | 436948772697 |
26 | 2331807007139 |
27 | 12791837178265 |
28 | 72472130039123 |
29 | 425239734375217 |
30 | 2584950704996379 |