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 | 1 |
| 2 | 7 |
| 3 | 8 |
| 4 | 46 |
| 5 | 122 |
| 6 | 155 |
| 7 | 276 |
| 8 | 305 |
| 9 | 356 |
| 10 | 1006 |
| 11 | 1025 |
| 12 | 1335 |
| 13 | 3015 |
| 14 | 3876 |
| 15 | 10179 |
| 16 | 10399 |
| 17 | 12219 |
| 18 | 14039 |
| 19 | 19998 |
| 20 | 28991 |
| 21 | 57982 |
| 22 | 66975 |
| 23 | 95966 |
| 24 | 102215 |
| 25 | 110023 |
| 26 | 399996 |
| 27 | 1000019 |
| 28 | 1000021 |
| 29 | 1001083 |