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) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 71 |
5 | 199 |
6 | 455 |
7 | 4551 |
8 | 12743 |
9 | 29127 |
10 | 291271 |
11 | 815559 |
12 | 1864135 |
13 | 18641351 |
14 | 52195783 |
15 | 119304647 |
16 | 1193046471 |
17 | 3340530119 |
18 | 7635497415 |
19 | 76354974151 |
20 | 213793927623 |
21 | 488671834567 |
22 | 4886718345671 |
23 | 13682811367879 |
24 | 31274997412295 |