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 | 1 |
| 2 | 21 |
| 3 | 51 |
| 4 | 91 |
| 5 | 141 |
| 6 | 201 |
| 7 | 271 |
| 8 | 351 |
| 9 | 441 |
| 10 | 541 |
| 11 | 651 |
| 12 | 771 |
| 13 | 901 |
| 14 | 1041 |
| 15 | 1191 |
| 16 | 1351 |
| 17 | 1521 |
| 18 | 1701 |
| 19 | 1891 |
| 20 | 2091 |
| 21 | 2301 |
| 22 | 2521 |
| 23 | 2751 |
| 24 | 2991 |
| 25 | 3241 |
| 26 | 3501 |
| 27 | 3771 |
| 28 | 4051 |
| 29 | 4341 |
| 30 | 4641 |
| 31 | 4951 |
| 32 | 5271 |
| 33 | 5601 |
| 34 | 5941 |
| 35 | 6291 |
| 36 | 6651 |
| 37 | 7021 |
| 38 | 7401 |
| 39 | 7791 |
| 40 | 8191 |
| 41 | 8601 |
| 42 | 9021 |
| 43 | 9451 |
| 44 | 9891 |
| 45 | 10341 |