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) |
|---|---|
| 0 | -1 |
| 1 | 4 |
| 2 | 17 |
| 3 | 38 |
| 4 | 67 |
| 5 | 104 |
| 6 | 149 |
| 7 | 202 |
| 8 | 263 |
| 9 | 332 |
| 10 | 409 |
| 11 | 494 |
| 12 | 587 |
| 13 | 688 |
| 14 | 797 |
| 15 | 914 |
| 16 | 1039 |
| 17 | 1172 |
| 18 | 1313 |
| 19 | 1462 |
| 20 | 1619 |
| 21 | 1784 |
| 22 | 1957 |
| 23 | 2138 |
| 24 | 2327 |
| 25 | 2524 |
| 26 | 2729 |
| 27 | 2942 |
| 28 | 3163 |
| 29 | 3392 |
| 30 | 3629 |
| 31 | 3874 |
| 32 | 4127 |
| 33 | 4388 |
| 34 | 4657 |
| 35 | 4934 |
| 36 | 5219 |
| 37 | 5512 |
| 38 | 5813 |
| 39 | 6122 |
| 40 | 6439 |
| 41 | 6764 |
| 42 | 7097 |
| 43 | 7438 |
| 44 | 7787 |
| 45 | 8144 |
| 46 | 8509 |
| 47 | 8882 |
| 48 | 9263 |
| 49 | 9652 |