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 | 1 |
| 2 | 3 |
| 3 | 13 |
| 4 | 39 |
| 5 | 61 |
| 6 | 151 |
| 7 | 169 |
| 8 | 183 |
| 9 | 211 |
| 10 | 223 |
| 11 | 453 |
| 12 | 507 |
| 13 | 633 |
| 14 | 669 |
| 15 | 739 |
| 16 | 793 |
| 17 | 1009 |
| 18 | 1531 |
| 19 | 1963 |
| 20 | 2197 |
| 21 | 2217 |
| 22 | 2379 |
| 23 | 2743 |
| 24 | 2899 |
| 25 | 3027 |
| 26 | 3721 |
| 27 | 4363 |
| 28 | 4513 |
| 29 | 4593 |
| 30 | 5503 |
| 31 | 5889 |
| 32 | 6277 |
| 33 | 6397 |
| 34 | 6591 |
| 35 | 7753 |
| 36 | 7873 |
| 37 | 8229 |
| 38 | 8697 |
| 39 | 9211 |
| 40 | 9463 |
| 41 | 9607 |
| 42 | 10309 |
| 43 | 11163 |
| 44 | 11353 |
| 45 | 11587 |
| 46 | 11677 |
| 47 | 12007 |
| 48 | 12241 |
| 49 | 12871 |