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 | 103 |
| 3 | 211 |
| 4 | 751 |
| 5 | 1291 |
| 6 | 2371 |
| 7 | 2803 |
| 8 | 3271 |
| 9 | 5503 |
| 10 | 6151 |
| 11 | 8311 |
| 12 | 9103 |
| 13 | 9931 |
| 14 | 17851 |
| 15 | 23971 |
| 16 | 25303 |
| 17 | 32503 |
| 18 | 42331 |
| 19 | 49603 |
| 20 | 51511 |
| 21 | 68071 |
| 22 | 82003 |
| 23 | 94603 |
| 24 | 97231 |
| 25 | 105331 |
| 26 | 119551 |
| 27 | 122503 |
| 28 | 137803 |
| 29 | 157351 |
| 30 | 167611 |
| 31 | 171103 |
| 32 | 174631 |
| 33 | 192811 |
| 34 | 204151 |