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 | 63 |
| 1 | 333 |
| 2 | 621 |
| 3 | 3339 |
| 4 | 4557 |
| 5 | 8127 |
| 6 | 13977 |
| 7 | 16827 |
| 8 | 18177 |
| 9 | 21921 |
| 10 | 27393 |
| 11 | 34989 |
| 12 | 40023 |
| 13 | 40047 |
| 14 | 46917 |
| 15 | 59727 |
| 16 | 61203 |
| 17 | 79467 |
| 18 | 94767 |
| 19 | 95079 |
| 20 | 100821 |
| 21 | 102771 |
| 22 | 104859 |
| 23 | 106527 |
| 24 | 113883 |
| 25 | 114123 |
| 26 | 143433 |
| 27 | 147123 |
| 28 | 156201 |
| 29 | 158409 |
| 30 | 160149 |
| 31 | 196737 |
| 32 | 209277 |
| 33 | 209961 |