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 | 735 |
| 2 | 3792 |
| 3 | 1341275 |
| 4 | 13115375 |
| 5 | 22940075 |
| 6 | 29373375 |
| 7 | 71624133 |
| 8 | 311997175 |
| 9 | 319953792 |
| 10 | 1019127375 |
| 11 | 1147983375 |
| 12 | 1734009275 |
| 13 | 5581625072 |
| 14 | 7350032375 |
| 15 | 17370159615 |
| 16 | 33061224492 |
| 17 | 103375535837 |
| 18 | 171167303912 |
| 19 | 319383665913 |
| 20 | 533671737975 |
| 21 | 2118067737975 |
| 22 | 3111368374257 |