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 | 2 |
| 2 | 3 |
| 3 | 41 |
| 4 | 59 |
| 5 | 79 |
| 6 | 97 |
| 7 | 173 |
| 8 | 193 |
| 9 | 211 |
| 10 | 269 |
| 11 | 307 |
| 12 | 383 |
| 13 | 401 |
| 14 | 421 |
| 15 | 439 |
| 16 | 743 |
| 17 | 839 |
| 18 | 857 |
| 19 | 877 |
| 20 | 953 |
| 21 | 971 |
| 22 | 991 |
| 23 | 1009 |
| 24 | 1123 |
| 25 | 1181 |
| 26 | 1237 |
| 27 | 1409 |
| 28 | 1427 |
| 29 | 1447 |
| 30 | 1523 |
| 31 | 1579 |
| 32 | 1637 |
| 33 | 1693 |
| 34 | 1789 |
| 35 | 1979 |
| 36 | 1997 |
| 37 | 2017 |
| 38 | 2111 |
| 39 | 2131 |
| 40 | 2207 |
| 41 | 2339 |
| 42 | 2377 |
| 43 | 2473 |
| 44 | 2549 |
| 45 | 2663 |
| 46 | 2719 |
| 47 | 2777 |
| 48 | 2833 |
| 49 | 2909 |