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 | 277699295941594831 |
| 2 | 315809464967513821 |
| 3 | 353919633993432811 |
| 4 | 392029803019351801 |
| 5 | 430139972045270791 |
| 6 | 468250141071189781 |
| 7 | 506360310097108771 |
| 8 | 544470479123027761 |
| 9 | 582580648148946751 |
| 10 | 620690817174865741 |
| 11 | 658800986200784731 |
| 12 | 696911155226703721 |
| 13 | 735021324252622711 |