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 | 140997 |
| 2 | 490996 |
| 3 | 1184321 |
| 4 | 1259609 |
| 5 | 1409970 |
| 6 | 1783166 |
| 7 | 1886654 |
| 8 | 1977538 |
| 9 | 2457756 |
| 10 | 2714763 |
| 11 | 2750425 |
| 12 | 2980991 |
| 13 | 3043607 |
| 14 | 3283057 |
| 15 | 3689639 |
| 16 | 4191601 |
| 17 | 4258476 |
| 18 | 4642725 |
| 19 | 4909960 |
| 20 | 4973029 |
| 21 | 5242829 |
| 22 | 5349973 |
| 23 | 5444788 |
| 24 | 5523544 |
| 25 | 5682065 |