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 | 9 |
| 2 | 11 |
| 3 | 15 |
| 4 | 25 |
| 5 | 29 |
| 6 | 47 |
| 7 | 55 |
| 8 | 67 |
| 9 | 119 |
| 10 | 171 |
| 11 | 331 |
| 12 | 475 |
| 13 | 549 |
| 14 | 819 |
| 15 | 1151 |
| 16 | 1543 |
| 17 | 2303 |
| 18 | 2749 |
| 19 | 3303 |
| 20 | 3649 |
| 21 | 4065 |
| 22 | 4261 |
| 23 | 4497 |
| 24 | 4873 |
| 25 | 9105 |
| 26 | 12749 |
| 27 | 18677 |
| 28 | 20121 |
| 29 | 22459 |
| 30 | 32489 |
| 31 | 35765 |
| 32 | 46971 |
| 33 | 75843 |
| 34 | 79585 |
| 35 | 79731 |