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 | 31 |
| 2 | 37 |
| 3 | 61 |
| 4 | 127 |
| 5 | 241 |
| 6 | 787 |
| 7 | 2017 |
| 8 | 2767 |
| 9 | 5791 |
| 10 | 7537 |
| 11 | 9151 |
| 12 | 9781 |
| 13 | 10141 |
| 14 | 15391 |
| 15 | 19927 |
| 16 | 33577 |
| 17 | 36877 |
| 18 | 41947 |
| 19 | 42187 |
| 20 | 42667 |
| 21 | 57037 |
| 22 | 74821 |
| 23 | 78787 |
| 24 | 92647 |
| 25 | 102181 |
| 26 | 115741 |
| 27 | 135007 |
| 28 | 139387 |
| 29 | 142537 |
| 30 | 143467 |
| 31 | 157207 |
| 32 | 159157 |
| 33 | 160687 |
| 34 | 161947 |
| 35 | 176191 |
| 36 | 180211 |