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) |
|---|---|
| 0 | 3 |
| 1 | 22 |
| 2 | 85 |
| 3 | 254 |
| 4 | 644 |
| 5 | 1448 |
| 6 | 2967 |
| 7 | 5645 |
| 8 | 10109 |
| 9 | 17214 |
| 10 | 28093 |
| 11 | 44212 |
| 12 | 67430 |
| 13 | 100064 |
| 14 | 144959 |
| 15 | 205563 |
| 16 | 286007 |
| 17 | 391190 |
| 18 | 526869 |
| 19 | 699754 |
| 20 | 917608 |
| 21 | 1189352 |
| 22 | 1525175 |
| 23 | 1936649 |
| 24 | 2436849 |
| 25 | 3040478 |
| 26 | 3763997 |
| 27 | 4625760 |
| 28 | 5646154 |
| 29 | 6847744 |
| 30 | 8255423 |
| 31 | 9896567 |
| 32 | 11801195 |
| 33 | 14002134 |
| 34 | 16535189 |
| 35 | 19439318 |
| 36 | 22756812 |
| 37 | 26533480 |
| 38 | 30818839 |