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 | 4 |
| 3 | 12 |
| 4 | 19 |
| 5 | 47 |
| 6 | 59 |
| 7 | 115 |
| 8 | 167 |
| 9 | 217 |
| 10 | 251 |
| 11 | 306 |
| 12 | 348 |
| 13 | 414 |
| 14 | 618 |
| 15 | 630 |
| 16 | 662 |
| 17 | 809 |
| 18 | 1077 |
| 19 | 1138 |
| 20 | 1218 |
| 21 | 1670 |
| 22 | 1876 |
| 23 | 2272 |
| 24 | 2680 |
| 25 | 2869 |
| 26 | 3402 |
| 27 | 3633 |
| 28 | 4242 |
| 29 | 4353 |
| 30 | 4661 |
| 31 | 5255 |
| 32 | 6463 |
| 33 | 6596 |
| 34 | 6986 |
| 35 | 8543 |
| 36 | 8870 |
| 37 | 8992 |
| 38 | 9340 |
| 39 | 9444 |
| 40 | 10265 |
| 41 | 11544 |
| 42 | 11921 |
| 43 | 12449 |
| 44 | 13887 |
| 45 | 14031 |