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 | 10 |
| 3 | 29 |
| 4 | 81 |
| 5 | 121 |
| 6 | 302 |
| 7 | 321 |
| 8 | 630 |
| 9 | 801 |
| 10 | 1264 |
| 11 | 1177 |
| 12 | 2521 |
| 13 | 1961 |
| 14 | 3234 |
| 15 | 4013 |
| 16 | 5140 |
| 17 | 4267 |
| 18 | 8013 |
| 19 | 5921 |
| 20 | 10701 |
| 21 | 10685 |
| 22 | 12166 |
| 23 | 10321 |
| 24 | 20458 |
| 25 | 15552 |
| 26 | 19610 |
| 27 | 21469 |
| 28 | 28473 |
| 29 | 20671 |
| 30 | 40340 |
| 31 | 25377 |
| 32 | 40351 |
| 33 | 39557 |
| 34 | 43048 |
| 35 | 45849 |
| 36 | 70020 |
| 37 | 43131 |
| 38 | 59690 |
| 39 | 63813 |
| 40 | 89154 |
| 41 | 58087 |
| 42 | 106310 |