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 | 49 |
| 2 | 161 |
| 3 | 219 |
| 4 | 351 |
| 5 | 363 |
| 6 | 469 |
| 7 | 575 |
| 8 | 597 |
| 9 | 671 |
| 10 | 877 |
| 11 | 909 |
| 12 | 933 |
| 13 | 1013 |
| 14 | 1225 |
| 15 | 1231 |
| 16 | 1303 |
| 17 | 1359 |
| 18 | 1381 |
| 19 | 1419 |
| 20 | 1489 |
| 21 | 1577 |
| 22 | 1653 |
| 23 | 1797 |
| 24 | 1815 |
| 25 | 1989 |
| 26 | 2083 |
| 27 | 2117 |
| 28 | 2177 |
| 29 | 2241 |
| 30 | 2289 |
| 31 | 2301 |
| 32 | 2403 |
| 33 | 2483 |
| 34 | 2493 |
| 35 | 2517 |
| 36 | 2611 |
| 37 | 2617 |
| 38 | 2653 |
| 39 | 2727 |
| 40 | 2779 |
| 41 | 2869 |
| 42 | 2931 |
| 43 | 3029 |
| 44 | 3051 |
| 45 | 3261 |
| 46 | 3515 |
| 47 | 3617 |