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 | 1942 |
| 2 | 2878 |
| 3 | 3862 |
| 4 | 6100 |
| 5 | 8380 |
| 6 | 18694 |
| 7 | 31228 |
| 8 | 93844 |
| 9 | 111382 |
| 10 | 117118 |
| 11 | 129910 |
| 12 | 143950 |
| 13 | 186145 |
| 14 | 210025 |
| 15 | 575800 |
| 16 | 1193740 |
| 17 | 1248412 |
| 18 | 1326025 |
| 19 | 1388545 |
| 20 | 1501504 |
| 21 | 1697908 |
| 22 | 1813660 |
| 23 | 1946737 |
| 24 | 2069353 |
| 25 | 2151262 |
| 26 | 2305180 |
| 27 | 3864190 |
| 28 | 3897622 |
| 29 | 54054144 |
| 30 | 61974313 |
| 31 | 63546025 |