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 | 257 |
| 2 | 281 |
| 3 | 337 |
| 4 | 617 |
| 5 | 881 |
| 6 | 1097 |
| 7 | 1217 |
| 8 | 1481 |
| 9 | 1777 |
| 10 | 2281 |
| 11 | 2657 |
| 12 | 2857 |
| 13 | 4481 |
| 14 | 5297 |
| 15 | 5881 |
| 16 | 7481 |
| 17 | 8537 |
| 18 | 9281 |
| 19 | 10457 |
| 20 | 12577 |
| 21 | 14897 |
| 22 | 15881 |
| 23 | 17417 |
| 24 | 18481 |
| 25 | 19577 |
| 26 | 23057 |
| 27 | 24281 |
| 28 | 25537 |
| 29 | 26177 |
| 30 | 27481 |
| 31 | 28817 |
| 32 | 30881 |
| 33 | 32297 |
| 34 | 35977 |
| 35 | 38281 |
| 36 | 39857 |
| 37 | 42281 |
| 38 | 44777 |
| 39 | 52697 |
| 40 | 53617 |