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 | 210 |
| 2 | 321 |
| 3 | 432 |
| 4 | 543 |
| 5 | 654 |
| 6 | 765 |
| 7 | 876 |
| 8 | 987 |
| 9 | 1098 |
| 10 | 11109 |
| 11 | 121110 |
| 12 | 131211 |
| 13 | 141312 |
| 14 | 151413 |
| 15 | 161514 |
| 16 | 171615 |
| 17 | 181716 |
| 18 | 191817 |
| 19 | 201918 |
| 20 | 212019 |
| 21 | 222120 |
| 22 | 232221 |
| 23 | 242322 |
| 24 | 252423 |
| 25 | 262524 |
| 26 | 272625 |
| 27 | 282726 |
| 28 | 292827 |
| 29 | 302928 |
| 30 | 313029 |
| 31 | 323130 |
| 32 | 333231 |
| 33 | 343332 |
| 34 | 353433 |
| 35 | 363534 |