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 | 3 |
| 2 | 53 |
| 3 | 103 |
| 4 | 353 |
| 5 | 503 |
| 6 | 653 |
| 7 | 853 |
| 8 | 953 |
| 9 | 1103 |
| 10 | 1153 |
| 11 | 1303 |
| 12 | 1453 |
| 13 | 1553 |
| 14 | 1753 |
| 15 | 2003 |
| 16 | 2053 |
| 17 | 2153 |
| 18 | 2203 |
| 19 | 2503 |
| 20 | 2753 |
| 21 | 2803 |
| 22 | 2903 |
| 23 | 2953 |
| 24 | 3203 |
| 25 | 3253 |
| 26 | 3803 |
| 27 | 3853 |
| 28 | 4003 |
| 29 | 4153 |
| 30 | 4253 |
| 31 | 4603 |
| 32 | 4703 |
| 33 | 4903 |
| 34 | 5003 |
| 35 | 5153 |
| 36 | 5303 |
| 37 | 5503 |
| 38 | 5653 |
| 39 | 5903 |
| 40 | 5953 |
| 41 | 6053 |
| 42 | 6203 |
| 43 | 6353 |
| 44 | 6553 |
| 45 | 6653 |