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 | 10 |
| 3 | 23 |
| 4 | 25 |
| 5 | 213 |
| 6 | 270 |
| 7 | 455 |
| 8 | 688 |
| 9 | 1060 |
| 10 | 1953 |
| 11 | 2233 |
| 12 | 2915 |
| 13 | 3468 |
| 14 | 3838 |
| 15 | 4718 |
| 16 | 4945 |
| 17 | 8645 |
| 18 | 10230 |
| 19 | 11638 |
| 20 | 12308 |
| 21 | 13090 |
| 22 | 15428 |
| 23 | 16250 |
| 24 | 19295 |
| 25 | 23095 |
| 26 | 27778 |
| 27 | 29435 |
| 28 | 32230 |
| 29 | 33488 |
| 30 | 43053 |
| 31 | 50830 |
| 32 | 71668 |
| 33 | 83485 |
| 34 | 86460 |
| 35 | 89365 |
| 36 | 96330 |
| 37 | 104610 |
| 38 | 106600 |
| 39 | 127823 |