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 | 7 |
| 2 | 14 |
| 3 | 103 |
| 4 | 391 |
| 5 | 5002 |
| 6 | 8967 |
| 7 | 31065 |
| 8 | 45724 |
| 9 | 107077 |
| 10 | 301276 |
| 11 | 382000 |
| 12 | 820141 |
| 13 | 1246909 |
| 14 | 1479730 |
| 15 | 2129740 |
| 16 | 3534420 |
| 17 | 5523879 |
| 18 | 6237871 |
| 19 | 9209731 |
| 20 | 11625564 |
| 21 | 12865129 |
| 22 | 17844972 |
| 23 | 21754756 |
| 24 | 28999632 |
| 25 | 41437737 |
| 26 | 48684207 |
| 27 | 52341667 |
| 28 | 60941856 |