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 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 13 |
| 8 | 23 |
| 9 | 30 |
| 10 | 31 |
| 11 | 36 |
| 12 | 109 |
| 13 | 119 |
| 14 | 158 |
| 15 | 351 |
| 16 | 1645 |
| 17 | 1653 |
| 18 | 2003 |
| 19 | 3476 |
| 20 | 3520 |
| 21 | 3934 |
| 22 | 4913 |
| 23 | 8037 |
| 24 | 9379 |
| 25 | 35324 |
| 26 | 36516 |
| 27 | 91951 |
| 28 | 128955 |
| 29 | 200003 |
| 30 | 390066 |
| 31 | 402603 |
| 32 | 1068869 |
| 33 | 2000003 |
| 34 | 2144992 |
| 35 | 2467458 |
| 36 | 2867828 |
| 37 | 3392245 |
| 38 | 3607663 |