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 | 4838419019 |
| 2 | 6675709063 |
| 3 | 13663698049 |
| 4 | 41876599051 |
| 5 | 45040065175 |
| 6 | 97958718154 |
| 7 | 152621159077 |
| 8 | 159012936244 |
| 9 | 269879465085 |
| 10 | 524268472566 |
| 11 | 586808622629 |
| 12 | 631698774527 |
| 13 | 866429089209 |
| 14 | 914610285001 |
| 15 | 938951012161 |
| 16 | 1033860873698 |
| 17 | 1327428637553 |
| 18 | 1372403843311 |
| 19 | 1683900384894 |