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 | 1 |
| 2 | 9 |
| 3 | 31 |
| 4 | 73 |
| 5 | 131 |
| 6 | 279 |
| 7 | 351 |
| 8 | 585 |
| 9 | 850 |
| 10 | 1179 |
| 11 | 1343 |
| 12 | 2263 |
| 13 | 2211 |
| 14 | 3159 |
| 15 | 4061 |
| 16 | 4681 |
| 17 | 4931 |
| 18 | 7650 |
| 19 | 6879 |
| 20 | 9563 |
| 21 | 10881 |
| 22 | 12087 |
| 23 | 12191 |
| 24 | 18135 |
| 25 | 16406 |
| 26 | 19899 |
| 27 | 22990 |
| 28 | 25623 |
| 29 | 24419 |
| 30 | 36549 |
| 31 | 29823 |
| 32 | 37449 |
| 33 | 41633 |
| 34 | 44379 |
| 35 | 45981 |
| 36 | 62050 |
| 37 | 50691 |
| 38 | 61911 |
| 39 | 68541 |
| 40 | 76635 |
| 41 | 68963 |
| 42 | 97929 |