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) |
|---|---|
| 0 | 7 |
| 1 | 8 |
| 2 | 23 |
| 3 | 31 |
| 4 | 457 |
| 5 | 488 |
| 6 | 1433 |
| 7 | 1921 |
| 8 | 28327 |
| 9 | 30248 |
| 10 | 88823 |
| 11 | 119071 |
| 12 | 1755817 |
| 13 | 1874888 |
| 14 | 5505593 |
| 15 | 7380481 |
| 16 | 108832327 |
| 17 | 116212808 |
| 18 | 341257943 |
| 19 | 457470751 |
| 20 | 6745848457 |
| 21 | 7203319208 |
| 22 | 21152486873 |
| 23 | 28355806081 |
| 24 | 418133772007 |
| 25 | 446489578088 |
| 26 | 1311112928183 |
| 27 | 1757602506271 |