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 | 5 |
| 2 | 35 |
| 3 | 51 |
| 4 | 117 |
| 5 | 145 |
| 6 | 247 |
| 7 | 287 |
| 8 | 425 |
| 9 | 477 |
| 10 | 651 |
| 11 | 715 |
| 12 | 925 |
| 13 | 1001 |
| 14 | 1247 |
| 15 | 1335 |
| 16 | 1617 |
| 17 | 1717 |
| 18 | 2035 |
| 19 | 2147 |
| 20 | 2501 |
| 21 | 2625 |
| 22 | 3015 |
| 23 | 3151 |
| 24 | 3577 |
| 25 | 3725 |
| 26 | 4187 |
| 27 | 4347 |
| 28 | 4845 |
| 29 | 5017 |
| 30 | 5551 |
| 31 | 5735 |
| 32 | 6305 |
| 33 | 6501 |
| 34 | 7107 |
| 35 | 7315 |
| 36 | 7957 |
| 37 | 8177 |
| 38 | 8855 |
| 39 | 9087 |
| 40 | 9801 |
| 41 | 10045 |
| 42 | 10795 |
| 43 | 11051 |
| 44 | 11837 |