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 | 127 |
| 2 | 1427 |
| 3 | 2003 |
| 4 | 2713 |
| 5 | 7639 |
| 6 | 76519 |
| 7 | 81703 |
| 8 | 139663 |
| 9 | 166643 |
| 10 | 173777 |
| 11 | 349589 |
| 12 | 371027 |
| 13 | 653357 |
| 14 | 696083 |
| 15 | 752033 |
| 16 | 793699 |
| 17 | 883549 |
| 18 | 938617 |
| 19 | 974713 |
| 20 | 1150733 |
| 21 | 1176983 |
| 22 | 1207223 |
| 23 | 1310779 |
| 24 | 1675577 |
| 25 | 1702577 |
| 26 | 1880363 |
| 27 | 2715169 |