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 | 5142 |
| 2 | 11200 |
| 3 | 22563 |
| 4 | 42593 |
| 5 | 76251 |
| 6 | 130453 |
| 7 | 214784 |
| 8 | 341988 |
| 9 | 528926 |
| 10 | 797248 |
| 11 | 1174631 |
| 12 | 1695625 |
| 13 | 2403243 |
| 14 | 3350003 |
| 15 | 4599874 |
| 16 | 6229576 |
| 17 | 8330912 |
| 18 | 11012320 |
| 19 | 14401669 |
| 20 | 18648073 |
| 21 | 23925159 |
| 22 | 30433213 |
| 23 | 38402946 |
| 24 | 48097954 |
| 25 | 59819074 |
| 26 | 73907174 |
| 27 | 90748085 |