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 | 29 |
| 3 | 107 |
| 4 | 239 |
| 5 | 281 |
| 6 | 857 |
| 7 | 1061 |
| 8 | 1151 |
| 9 | 1619 |
| 10 | 1667 |
| 11 | 1721 |
| 12 | 2267 |
| 13 | 2339 |
| 14 | 2801 |
| 15 | 2999 |
| 16 | 3167 |
| 17 | 3257 |
| 18 | 3467 |
| 19 | 3557 |
| 20 | 4271 |
| 21 | 4337 |
| 22 | 4547 |
| 23 | 4799 |
| 24 | 4931 |
| 25 | 5279 |
| 26 | 5501 |
| 27 | 5849 |
| 28 | 5867 |
| 29 | 6359 |
| 30 | 6659 |
| 31 | 6689 |
| 32 | 7349 |
| 33 | 8009 |
| 34 | 8219 |
| 35 | 8231 |
| 36 | 8387 |
| 37 | 9857 |
| 38 | 10007 |
| 39 | 10859 |
| 40 | 13001 |
| 41 | 13691 |
| 42 | 15269 |
| 43 | 15971 |