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 | 1 |
| 3 | 8 |
| 4 | 19 |
| 5 | 34 |
| 6 | 77 |
| 7 | 124 |
| 8 | 175 |
| 9 | 218 |
| 10 | 249 |
| 11 | 436 |
| 12 | 515 |
| 13 | 646 |
| 14 | 825 |
| 15 | 956 |
| 16 | 1047 |
| 17 | 1228 |
| 18 | 1373 |
| 19 | 1800 |
| 20 | 2019 |
| 21 | 2378 |
| 22 | 2581 |
| 23 | 3024 |
| 24 | 3143 |
| 25 | 3316 |
| 26 | 4021 |
| 27 | 4592 |
| 28 | 4987 |
| 29 | 5490 |
| 30 | 5741 |
| 31 | 5850 |
| 32 | 6487 |
| 33 | 6740 |
| 34 | 7777 |
| 35 | 7864 |
| 36 | 8771 |
| 37 | 9354 |
| 38 | 10177 |
| 39 | 10760 |
| 40 | 11311 |
| 41 | 11542 |
| 42 | 12893 |
| 43 | 13098 |
| 44 | 14275 |
| 45 | 15236 |
| 46 | 16381 |
| 47 | 16438 |
| 48 | 17903 |
| 49 | 18688 |
| 50 | 19909 |
| 51 | 20732 |
| 52 | 20827 |
| 53 | 22638 |