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 | 27 |
| 2 | 53 |
| 3 | 177 |
| 4 | 203 |
| 5 | 879 |
| 6 | 1003 |
| 7 | 2403 |
| 8 | 2429 |
| 9 | 3105 |
| 10 | 3781 |
| 11 | 7005 |
| 12 | 7129 |
| 13 | 10353 |
| 14 | 11753 |
| 15 | 21753 |
| 16 | 21779 |
| 17 | 22455 |
| 18 | 23131 |
| 19 | 26355 |
| 20 | 27031 |
| 21 | 44607 |
| 22 | 47831 |
| 23 | 84231 |
| 24 | 84355 |
| 25 | 87579 |
| 26 | 90803 |
| 27 | 106179 |
| 28 | 107579 |
| 29 | 143979 |
| 30 | 153979 |
| 31 | 243483 |
| 32 | 243509 |
| 33 | 244185 |
| 34 | 244861 |
| 35 | 248085 |
| 36 | 248761 |
| 37 | 266337 |
| 38 | 269561 |
| 39 | 305961 |
| 40 | 306637 |
| 41 | 324213 |
| 42 | 341789 |
| 43 | 425613 |
| 44 | 428837 |
| 45 | 512661 |
| 46 | 549061 |
| 47 | 809061 |