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 | 3 |
| 2 | 28 |
| 3 | 45 |
| 4 | 136 |
| 5 | 153 |
| 6 | 171 |
| 7 | 325 |
| 8 | 351 |
| 9 | 496 |
| 10 | 1431 |
| 11 | 3321 |
| 12 | 4753 |
| 13 | 7381 |
| 14 | 8128 |
| 15 | 13203 |
| 16 | 29161 |
| 17 | 31375 |
| 18 | 32896 |
| 19 | 56953 |
| 20 | 65341 |
| 21 | 118341 |
| 22 | 166753 |
| 23 | 195625 |
| 24 | 354061 |
| 25 | 780625 |
| 26 | 1063611 |
| 27 | 2390391 |
| 28 | 2883601 |
| 29 | 3544453 |
| 30 | 5649841 |
| 31 | 6060421 |
| 32 | 6835753 |
| 33 | 6924781 |
| 34 | 9563751 |
| 35 | 11527201 |
| 36 | 12708361 |
| 37 | 19478161 |
| 38 | 24231241 |