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 | 30 |
| 2 | 105 |
| 3 | 210 |
| 4 | 385 |
| 5 | 1001 |
| 6 | 1155 |
| 7 | 2310 |
| 8 | 2431 |
| 9 | 4199 |
| 10 | 5005 |
| 11 | 7429 |
| 12 | 12673 |
| 13 | 15015 |
| 14 | 17017 |
| 15 | 20677 |
| 16 | 30030 |
| 17 | 33263 |
| 18 | 46189 |
| 19 | 47027 |
| 20 | 65231 |
| 21 | 82861 |
| 22 | 85085 |
| 23 | 96577 |
| 24 | 107113 |
| 25 | 146969 |
| 26 | 190747 |
| 27 | 215441 |
| 28 | 241133 |
| 29 | 255255 |
| 30 | 290177 |
| 31 | 323323 |
| 32 | 347261 |
| 33 | 392863 |
| 34 | 409457 |
| 35 | 478661 |
| 36 | 510510 |
| 37 | 583573 |