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 | 2 |
| 3 | 10 |
| 4 | 13 |
| 5 | 20 |
| 6 | 26 |
| 7 | 102 |
| 8 | 108 |
| 9 | 109 |
| 10 | 120 |
| 11 | 121 |
| 12 | 122 |
| 13 | 124 |
| 14 | 125 |
| 15 | 152 |
| 16 | 201 |
| 17 | 210 |
| 18 | 211 |
| 19 | 212 |
| 20 | 214 |
| 21 | 215 |
| 22 | 240 |
| 23 | 241 |
| 24 | 242 |
| 25 | 702 |
| 26 | 720 |
| 27 | 728 |
| 28 | 810 |
| 29 | 1000 |
| 30 | 1002 |
| 31 | 1003 |
| 32 | 1008 |
| 33 | 1009 |
| 34 | 1011 |
| 35 | 1012 |
| 36 | 1020 |
| 37 | 1021 |
| 38 | 1022 |
| 39 | 1023 |
| 40 | 1024 |
| 41 | 1025 |
| 42 | 1026 |
| 43 | 1027 |
| 44 | 1028 |