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 | 19 |
| 2 | 361 |
| 3 | 1675 |
| 4 | 4939 |
| 5 | 11497 |
| 6 | 23091 |
| 7 | 41893 |
| 8 | 70537 |
| 9 | 112151 |
| 10 | 170389 |
| 11 | 249463 |
| 12 | 354175 |
| 13 | 489949 |
| 14 | 662863 |
| 15 | 879681 |
| 16 | 1147885 |
| 17 | 1475707 |
| 18 | 1872161 |
| 19 | 2347075 |
| 20 | 2911123 |
| 21 | 3575857 |
| 22 | 4353739 |
| 23 | 5258173 |
| 24 | 6303537 |
| 25 | 7505215 |
| 26 | 8879629 |
| 27 | 10444271 |
| 28 | 12217735 |
| 29 | 14219749 |