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 | 676 |
| 2 | 69696 |
| 3 | 94249 |
| 4 | 698896 |
| 5 | 5221225 |
| 6 | 6948496 |
| 7 | 522808225 |
| 8 | 617323716 |
| 9 | 942060249 |
| 10 | 10662526601 |
| 11 | 637832238736 |
| 12 | 1086078706801 |
| 13 | 1230127210321 |
| 14 | 1615108015161 |
| 15 | 4051154511504 |
| 16 | 5265533355625 |
| 17 | 9420645460249 |
| 18 | 123862676268321 |
| 19 | 144678292876441 |
| 20 | 165551171155561 |
| 21 | 900075181570009 |