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 | 682 |
| 2 | 2000 |
| 3 | 4837 |
| 4 | 10909 |
| 5 | 23648 |
| 6 | 49489 |
| 7 | 99872 |
| 8 | 194245 |
| 9 | 364432 |
| 10 | 660821 |
| 11 | 1160932 |
| 12 | 1981045 |
| 13 | 3291704 |
| 14 | 5338066 |
| 15 | 8466235 |
| 16 | 13156911 |
| 17 | 20067894 |
| 18 | 30087214 |
| 19 | 44398911 |
| 20 | 64563765 |
| 21 | 92617576 |
| 22 | 131189919 |
| 23 | 183646650 |
| 24 | 254259817 |
| 25 | 348409036 |
| 26 | 472818827 |