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 | 40 |
| 2 | 105 |
| 3 | 252 |
| 4 | 495 |
| 5 | 1001 |
| 6 | 1872 |
| 7 | 2992 |
| 8 | 4199 |
| 9 | 6992 |
| 10 | 9775 |
| 11 | 13775 |
| 12 | 20677 |
| 13 | 28675 |
| 14 | 43993 |
| 15 | 54653 |
| 16 | 74777 |
| 17 | 94423 |
| 18 | 111671 |
| 19 | 146969 |
| 20 | 176351 |
| 21 | 216611 |
| 22 | 280663 |
| 23 | 316163 |
| 24 | 386389 |
| 25 | 454329 |
| 26 | 490779 |
| 27 | 583573 |
| 28 | 699273 |
| 29 | 813151 |
| 30 | 925867 |
| 31 | 1069037 |
| 32 | 1177963 |
| 33 | 1268651 |
| 34 | 1463011 |
| 35 | 1675003 |
| 36 | 1879981 |