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 | 275 |
| 2 | 341 |
| 3 | 451 |
| 4 | 550 |
| 5 | 671 |
| 6 | 682 |
| 7 | 775 |
| 8 | 781 |
| 9 | 902 |
| 10 | 1111 |
| 11 | 1271 |
| 12 | 1342 |
| 13 | 1375 |
| 14 | 1441 |
| 15 | 1550 |
| 16 | 1562 |
| 17 | 1661 |
| 18 | 1775 |
| 19 | 1991 |
| 20 | 2101 |
| 21 | 2201 |
| 22 | 2222 |
| 23 | 2321 |
| 24 | 2542 |
| 25 | 2651 |
| 26 | 2750 |
| 27 | 2761 |
| 28 | 2882 |
| 29 | 2911 |
| 30 | 2981 |
| 31 | 3025 |
| 32 | 3091 |
| 33 | 3131 |
| 34 | 3275 |
| 35 | 3322 |
| 36 | 3421 |
| 37 | 3550 |
| 38 | 3641 |
| 39 | 3751 |
| 40 | 3775 |
| 41 | 3875 |
| 42 | 3982 |
| 43 | 4061 |