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 | 97 |
| 2 | 641 |
| 3 | 2417 |
| 4 | 14657 |
| 5 | 83537 |
| 6 | 130337 |
| 7 | 279857 |
| 8 | 1874177 |
| 9 | 2825777 |
| 10 | 12117377 |
| 11 | 13845857 |
| 12 | 25411697 |
| 13 | 38950097 |
| 14 | 88529297 |
| 15 | 294499937 |
| 16 | 373301057 |
| 17 | 1026625697 |
| 18 | 2472973457 |
| 19 | 2655237857 |
| 20 | 2750058497 |
| 21 | 3373402577 |
| 22 | 6414247937 |
| 23 | 9597924977 |