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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 8 |
| 6 | 12 |
| 7 | 18 |
| 8 | 27 |
| 9 | 39 |
| 10 | 58 |
| 11 | 85 |
| 12 | 125 |
| 13 | 183 |
| 14 | 269 |
| 15 | 394 |
| 16 | 578 |
| 17 | 847 |
| 18 | 1242 |
| 19 | 1820 |
| 20 | 2668 |
| 21 | 3910 |
| 22 | 5731 |
| 23 | 8399 |
| 24 | 12310 |
| 25 | 18041 |
| 26 | 26441 |
| 27 | 38751 |
| 28 | 56793 |
| 29 | 83234 |
| 30 | 121986 |
| 31 | 178779 |
| 32 | 262014 |
| 33 | 384000 |
| 34 | 562780 |
| 35 | 824794 |
| 36 | 1208795 |
| 37 | 1771575 |
| 38 | 2596370 |
| 39 | 3805165 |
| 40 | 5576741 |