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 | 82728 |
| 2 | 279972 |
| 3 | 657756 |
| 4 | 29077092 |
| 5 | 85688658 |
| 6 | 89288298 |
| 7 | 561363165 |
| 8 | 579828975 |
| 9 | 582636285 |
| 10 | 819828918 |
| 11 | 2209559022 |
| 12 | 5154334515 |
| 13 | 5637337365 |
| 14 | 6824774286 |
| 15 | 8904664098 |
| 16 | 19585758591 |
| 17 | 42372027324 |
| 18 | 62663836626 |
| 19 | 70151815107 |
| 20 | 167985589761 |
| 21 | 4650120210564 |
| 22 | 6552226222556 |