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 | 31 |
| 3 | 79 |
| 4 | 211 |
| 5 | 271 |
| 6 | 499 |
| 7 | 691 |
| 8 | 1039 |
| 9 | 1171 |
| 10 | 1459 |
| 11 | 1951 |
| 12 | 2131 |
| 13 | 2719 |
| 14 | 4111 |
| 15 | 4639 |
| 16 | 5791 |
| 17 | 7411 |
| 18 | 7759 |
| 19 | 9619 |
| 20 | 10831 |
| 21 | 11251 |
| 22 | 15391 |
| 23 | 17971 |
| 24 | 24979 |
| 25 | 29599 |
| 26 | 31699 |
| 27 | 33871 |
| 28 | 38431 |
| 29 | 40819 |
| 30 | 42451 |
| 31 | 44959 |
| 32 | 55711 |
| 33 | 56659 |
| 34 | 58579 |
| 35 | 61519 |
| 36 | 65551 |
| 37 | 68659 |
| 38 | 73999 |
| 39 | 80671 |
| 40 | 87631 |
| 41 | 88819 |