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 | 6913548721 |
| 2 | 11396574289 |
| 3 | 13842496537 |
| 4 | 14872531669 |
| 5 | 16952474813 |
| 6 | 16963825147 |
| 7 | 16974152381 |
| 8 | 18632427859 |
| 9 | 27569184173 |
| 10 | 28239546721 |
| 11 | 47569352881 |
| 12 | 54689213377 |
| 13 | 54987116329 |
| 14 | 68719214593 |
| 15 | 79633524181 |
| 16 | 93541462873 |
| 17 | 95126134837 |
| 18 | 118214685793 |
| 19 | 121899457633 |
| 20 | 123572846953 |