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 | 7 |
| 3 | 61 |
| 4 | 271 |
| 5 | 1951 |
| 6 | 3001 |
| 7 | 6361 |
| 8 | 11491 |
| 9 | 11551 |
| 10 | 14551 |
| 11 | 18541 |
| 12 | 19891 |
| 13 | 21841 |
| 14 | 31081 |
| 15 | 32911 |
| 16 | 32971 |
| 17 | 33331 |
| 18 | 33601 |
| 19 | 42571 |
| 20 | 42841 |
| 21 | 50461 |
| 22 | 53551 |
| 23 | 58111 |
| 24 | 68881 |
| 25 | 70201 |
| 26 | 74611 |
| 27 | 79231 |
| 28 | 80911 |
| 29 | 93811 |
| 30 | 96331 |
| 31 | 98911 |
| 32 | 104311 |
| 33 | 109141 |
| 34 | 114601 |
| 35 | 121021 |
| 36 | 125791 |