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 | 0 |
| 2 | 12 |
| 3 | 24 |
| 4 | 40 |
| 5 | 60 |
| 6 | 111 |
| 7 | 143 |
| 8 | 217 |
| 9 | 261 |
| 10 | 358 |
| 11 | 414 |
| 12 | 534 |
| 13 | 602 |
| 14 | 674 |
| 15 | 750 |
| 16 | 909 |
| 17 | 997 |
| 18 | 1179 |
| 19 | 1279 |
| 20 | 1383 |
| 21 | 1491 |
| 22 | 1712 |
| 23 | 1832 |
| 24 | 2076 |
| 25 | 2208 |
| 26 | 2344 |
| 27 | 2484 |
| 28 | 2767 |
| 29 | 2919 |
| 30 | 3225 |
| 31 | 3389 |
| 32 | 3557 |
| 33 | 3729 |
| 34 | 4074 |
| 35 | 4258 |
| 36 | 4626 |
| 37 | 4822 |
| 38 | 5213 |
| 39 | 5421 |
| 40 | 5835 |
| 41 | 6055 |