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 | 199 |
| 2 | 1499 |
| 3 | 4397 |
| 4 | 4679 |
| 5 | 7829 |
| 6 | 9859 |
| 7 | 11287 |
| 8 | 11399 |
| 9 | 11719 |
| 10 | 12829 |
| 11 | 15149 |
| 12 | 16607 |
| 13 | 17419 |
| 14 | 17839 |
| 15 | 18329 |
| 16 | 18719 |
| 17 | 19727 |
| 18 | 19937 |
| 19 | 20149 |
| 20 | 20509 |
| 21 | 20719 |
| 22 | 21649 |
| 23 | 22039 |
| 24 | 22247 |
| 25 | 23789 |
| 26 | 25609 |
| 27 | 26029 |
| 28 | 28057 |
| 29 | 29587 |
| 30 | 30047 |
| 31 | 31039 |
| 32 | 32467 |
| 33 | 34159 |
| 34 | 35117 |
| 35 | 35839 |
| 36 | 35899 |
| 37 | 36217 |
| 38 | 36809 |
| 39 | 40099 |