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 | 201 |
| 2 | 401 |
| 3 | 601 |
| 4 | 801 |
| 5 | 1001 |
| 6 | 1201 |
| 7 | 1401 |
| 8 | 1601 |
| 9 | 1801 |
| 10 | 2001 |
| 11 | 2201 |
| 12 | 2401 |
| 13 | 2601 |
| 14 | 2801 |
| 15 | 3001 |
| 16 | 3201 |
| 17 | 3401 |
| 18 | 3601 |
| 19 | 3801 |
| 20 | 4001 |
| 21 | 4201 |
| 22 | 4401 |
| 23 | 4601 |
| 24 | 4801 |
| 25 | 5001 |
| 26 | 5201 |
| 27 | 5401 |
| 28 | 5601 |
| 29 | 5801 |
| 30 | 6001 |
| 31 | 6201 |
| 32 | 6401 |
| 33 | 6601 |
| 34 | 6801 |
| 35 | 7001 |
| 36 | 7201 |
| 37 | 7401 |
| 38 | 7601 |
| 39 | 7801 |
| 40 | 8001 |
| 41 | 8201 |
| 42 | 8401 |
| 43 | 8601 |