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 | 1 |
| 1 | 823543 |
| 2 | 62748517 |
| 3 | 893871739 |
| 4 | 6103515625 |
| 5 | 27512614111 |
| 6 | 94931877133 |
| 7 | 271818611107 |
| 8 | 678223072849 |
| 9 | 1522435234375 |
| 10 | 3142742836021 |
| 11 | 6060711605323 |
| 12 | 11047398519097 |
| 13 | 19203908986159 |
| 14 | 32057708828125 |
| 15 | 51676101935731 |
| 16 | 80798284478113 |
| 17 | 122987386542487 |
| 18 | 182803912081669 |