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 | 4 |
| 4 | 6 |
| 5 | 8 |
| 6 | 10 |
| 7 | 12 |
| 8 | 16 |
| 9 | 20 |
| 10 | 24 |
| 11 | 36 |
| 12 | 48 |
| 13 | 68 |
| 14 | 90 |
| 15 | 120 |
| 16 | 164 |
| 17 | 216 |
| 18 | 278 |
| 19 | 360 |
| 20 | 472 |
| 21 | 624 |
| 22 | 832 |
| 23 | 1104 |
| 24 | 1448 |
| 25 | 1944 |
| 26 | 2606 |
| 27 | 3458 |
| 28 | 4572 |
| 29 | 6030 |
| 30 | 8042 |
| 31 | 10694 |
| 32 | 14116 |
| 33 | 18680 |
| 34 | 24870 |
| 35 | 33066 |
| 36 | 43770 |
| 37 | 58008 |
| 38 | 77034 |
| 39 | 102368 |
| 40 | 135814 |
| 41 | 179956 |
| 42 | 238996 |
| 43 | 317364 |
| 44 | 420920 |
| 45 | 558366 |
| 46 | 740964 |
| 47 | 983398 |
| 48 | 1304654 |