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 | 27 |
| 2 | 771 |
| 3 | 22979 |
| 4 | 690437 |
| 5 | 20780181 |
| 6 | 625649047 |
| 7 | 18838482047 |
| 8 | 567241901289 |
| 9 | 17080173559277 |
| 10 | 514300085627023 |
| 11 | 15486061794514775 |
| 12 | 466299978310573033 |
| 13 | 14040733816061115637 |
| 14 | 422779788989982722559 |
| 15 | 12730299739840800975879 |
| 16 | 383321378409770250813777 |