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 | 3195380868 |
| 2 | 5208143601 |
| 3 | 5208143602 |
| 4 | 5327400945 |
| 5 | 5604994082 |
| 6 | 5604994083 |
| 7 | 6940533603 |
| 8 | 6940533604 |
| 9 | 7109053186 |
| 10 | 7112231268 |
| 11 | 19355940562 |
| 12 | 22180594465 |
| 13 | 24073076004 |
| 14 | 24155988484 |
| 15 | 29495293764 |
| 16 | 30997967601 |
| 17 | 41999754228 |
| 18 | 42322452483 |
| 19 | 42322452484 |
| 20 | 45479198003 |
| 21 | 46553917683 |