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 | 5 |
| 2 | 11 |
| 3 | 29 |
| 4 | 53 |
| 5 | 127 |
| 6 | 173 |
| 7 | 293 |
| 8 | 367 |
| 9 | 541 |
| 10 | 853 |
| 11 | 967 |
| 12 | 1373 |
| 13 | 1693 |
| 14 | 1861 |
| 15 | 2213 |
| 16 | 2819 |
| 17 | 3491 |
| 18 | 3727 |
| 19 | 4493 |
| 20 | 5051 |
| 21 | 5333 |
| 22 | 6247 |
| 23 | 6899 |
| 24 | 7927 |
| 25 | 9413 |
| 26 | 10211 |
| 27 | 10613 |
| 28 | 11467 |
| 29 | 11887 |
| 30 | 12781 |
| 31 | 16139 |
| 32 | 17167 |
| 33 | 18773 |
| 34 | 19333 |
| 35 | 22229 |
| 36 | 22807 |
| 37 | 24659 |
| 38 | 26573 |
| 39 | 27893 |
| 40 | 29947 |
| 41 | 32051 |