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 | 3 |
| 2 | 5 |
| 3 | 18 |
| 4 | 30 |
| 5 | 71 |
| 6 | 109 |
| 7 | 202 |
| 8 | 199 |
| 9 | 522 |
| 10 | 210 |
| 11 | 617 |
| 12 | 288 |
| 13 | 990 |
| 14 | 372 |
| 15 | 390 |
| 16 | 860 |
| 17 | 701 |
| 18 | 1281 |
| 19 | 829 |
| 20 | 1194 |
| 21 | 1645 |
| 22 | 4578 |
| 23 | 852 |
| 24 | 2682 |
| 25 | 4419 |
| 26 | 3300 |
| 27 | 2927 |
| 28 | 2438 |
| 29 | 1891 |
| 30 | 2602 |
| 31 | 14660 |
| 32 | 1632 |
| 33 | 1650 |
| 34 | 3378 |
| 35 | 3480 |
| 36 | 18141 |
| 37 | 2052 |
| 38 | 3121 |
| 39 | 2112 |
| 40 | 4310 |
| 41 | 8922 |
| 42 | 13131 |
| 43 | 6253 |
| 44 | 3851 |
| 45 | 3889 |
| 46 | 3929 |
| 47 | 13788 |