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 | 3 |
| 2 | 11 |
| 3 | 37 |
| 4 | 67 |
| 5 | 163 |
| 6 | 167 |
| 7 | 241 |
| 8 | 271 |
| 9 | 367 |
| 10 | 449 |
| 11 | 457 |
| 12 | 613 |
| 13 | 661 |
| 14 | 1613 |
| 15 | 1979 |
| 16 | 2069 |
| 17 | 2137 |
| 18 | 2221 |
| 19 | 2347 |
| 20 | 2351 |
| 21 | 2381 |
| 22 | 2399 |
| 23 | 2477 |
| 24 | 2633 |
| 25 | 2749 |
| 26 | 2837 |
| 27 | 3011 |
| 28 | 3449 |
| 29 | 3593 |
| 30 | 3671 |
| 31 | 3797 |
| 32 | 3911 |
| 33 | 3943 |
| 34 | 4001 |
| 35 | 4049 |
| 36 | 4079 |
| 37 | 4241 |
| 38 | 4999 |
| 39 | 5147 |
| 40 | 5261 |
| 41 | 5711 |
| 42 | 5981 |
| 43 | 6337 |
| 44 | 6379 |
| 45 | 6619 |