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 | 8 |
| 3 | 9 |
| 4 | 10 |
| 5 | 40 |
| 6 | 72 |
| 7 | 106 |
| 8 | 218 |
| 9 | 256 |
| 10 | 408 |
| 11 | 424 |
| 12 | 872 |
| 13 | 1178 |
| 14 | 2336 |
| 15 | 2522 |
| 16 | 2952 |
| 17 | 4712 |
| 18 | 10088 |
| 19 | 13290 |
| 20 | 26648 |
| 21 | 28906 |
| 22 | 33784 |
| 23 | 53160 |
| 24 | 115624 |
| 25 | 150842 |
| 26 | 303784 |
| 27 | 330138 |
| 28 | 385624 |
| 29 | 603368 |
| 30 | 1320552 |
| 31 | 1716170 |
| 32 | 3462216 |
| 33 | 3765322 |
| 34 | 4397144 |
| 35 | 6864680 |
| 36 | 15061288 |
| 37 | 19543834 |
| 38 | 39454792 |
| 39 | 42921274 |
| 40 | 50118936 |
| 41 | 78175336 |
| 42 | 171685096 |