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 | 6 |
| 4 | 16 |
| 5 | 36 |
| 6 | 82 |
| 7 | 166 |
| 8 | 262 |
| 9 | 382 |
| 10 | 670 |
| 11 | 766 |
| 12 | 1066 |
| 13 | 1492 |
| 14 | 2050 |
| 15 | 2470 |
| 16 | 2710 |
| 17 | 3370 |
| 18 | 4192 |
| 19 | 4432 |
| 20 | 5050 |
| 21 | 6274 |
| 22 | 7354 |
| 23 | 8050 |
| 24 | 8590 |
| 25 | 10270 |
| 26 | 11256 |
| 27 | 12250 |
| 28 | 15190 |
| 29 | 15670 |
| 30 | 18910 |
| 31 | 22666 |
| 32 | 26026 |
| 33 | 26110 |
| 34 | 32146 |
| 35 | 32230 |
| 36 | 47806 |
| 37 | 48250 |
| 38 | 56026 |
| 39 | 66652 |
| 40 | 72766 |
| 41 | 82630 |
| 42 | 84706 |