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 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 29 |
| 5 | 131 |
| 6 | 181 |
| 7 | 233 |
| 8 | 379 |
| 9 | 991 |
| 10 | 1109 |
| 11 | 1249 |
| 12 | 1721 |
| 13 | 2633 |
| 14 | 2861 |
| 15 | 3539 |
| 16 | 4273 |
| 17 | 6971 |
| 18 | 8009 |
| 19 | 8353 |
| 20 | 10301 |
| 21 | 10711 |
| 22 | 13313 |
| 23 | 17291 |
| 24 | 19973 |
| 25 | 22349 |
| 26 | 26053 |
| 27 | 26731 |
| 28 | 32941 |
| 29 | 34369 |
| 30 | 35129 |
| 31 | 36671 |
| 32 | 37441 |
| 33 | 39799 |
| 34 | 47269 |
| 35 | 49033 |
| 36 | 54521 |
| 37 | 58321 |
| 38 | 69431 |
| 39 | 79241 |
| 40 | 82609 |
| 41 | 87257 |