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) |
|---|---|
| 0 | 649 |
| 1 | 99 |
| 2 | 2049 |
| 3 | 6499 |
| 4 | 13449 |
| 5 | 22899 |
| 6 | 34849 |
| 7 | 49299 |
| 8 | 66249 |
| 9 | 85699 |
| 10 | 107649 |
| 11 | 132099 |
| 12 | 159049 |
| 13 | 188499 |
| 14 | 220449 |
| 15 | 254899 |
| 16 | 291849 |
| 17 | 331299 |
| 18 | 373249 |
| 19 | 417699 |
| 20 | 464649 |
| 21 | 514099 |
| 22 | 566049 |
| 23 | 620499 |
| 24 | 677449 |
| 25 | 736899 |
| 26 | 798849 |
| 27 | 863299 |
| 28 | 930249 |