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 | 21 |
| 2 | 40 |
| 3 | 96 |
| 4 | 120 |
| 5 | 168 |
| 6 | 192 |
| 7 | 240 |
| 8 | 480 |
| 9 | 432 |
| 10 | 528 |
| 11 | 720 |
| 12 | 480 |
| 13 | 528 |
| 14 | 960 |
| 15 | 1272 |
| 16 | 912 |
| 17 | 1008 |
| 18 | 1320 |
| 19 | 840 |
| 20 | 1200 |
| 21 | 1560 |
| 22 | 1680 |
| 23 | 2520 |
| 24 | 2280 |
| 25 | 1200 |
| 26 | 1248 |
| 27 | 1272 |
| 28 | 1320 |
| 29 | 4248 |
| 30 | 4392 |
| 31 | 2640 |
| 32 | 2160 |
| 33 | 3432 |
| 34 | 3480 |
| 35 | 2448 |
| 36 | 3768 |
| 37 | 3240 |
| 38 | 3360 |
| 39 | 4152 |
| 40 | 2832 |
| 41 | 4440 |
| 42 | 4488 |
| 43 | 2328 |
| 44 | 2352 |
| 45 | 5712 |