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 | 5 |
| 2 | 17 |
| 3 | 43 |
| 4 | 593 |
| 5 | 829 |
| 6 | 2969 |
| 7 | 3631 |
| 8 | 12743 |
| 9 | 27961 |
| 10 | 44171 |
| 11 | 60919 |
| 12 | 127601 |
| 13 | 278981 |
| 14 | 578843 |
| 15 | 737281 |
| 16 | 950993 |
| 17 | 980299 |
| 18 | 1455893 |
| 19 | 1969001 |
| 20 | 2424329 |
| 21 | 2763881 |
| 22 | 3605293 |
| 23 | 5767739 |
| 24 | 7801993 |
| 25 | 9305521 |
| 26 | 11290049 |
| 27 | 12220361 |
| 28 | 12704093 |
| 29 | 16452089 |
| 30 | 22987529 |
| 31 | 35720189 |