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 | 11 |
| 2 | 71 |
| 3 | 179 |
| 4 | 191 |
| 5 | 239 |
| 6 | 359 |
| 7 | 431 |
| 8 | 491 |
| 9 | 599 |
| 10 | 659 |
| 11 | 911 |
| 12 | 1019 |
| 13 | 1031 |
| 14 | 1439 |
| 15 | 1451 |
| 16 | 1499 |
| 17 | 1619 |
| 18 | 1871 |
| 19 | 2039 |
| 20 | 2111 |
| 21 | 2339 |
| 22 | 2459 |
| 23 | 2531 |
| 24 | 2591 |
| 25 | 2699 |
| 26 | 2711 |
| 27 | 2879 |
| 28 | 3011 |
| 29 | 3119 |
| 30 | 3299 |
| 31 | 3371 |
| 32 | 3539 |
| 33 | 3719 |
| 34 | 3851 |
| 35 | 4019 |
| 36 | 4139 |
| 37 | 4211 |
| 38 | 4271 |
| 39 | 4391 |
| 40 | 4691 |
| 41 | 4799 |
| 42 | 5051 |