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) |
|---|---|
| 0 | 10 |
| 1 | 14 |
| 2 | 20 |
| 3 | 28 |
| 4 | 40 |
| 5 | 56 |
| 6 | 80 |
| 7 | 112 |
| 8 | 160 |
| 9 | 224 |
| 10 | 320 |
| 11 | 448 |
| 12 | 640 |
| 13 | 896 |
| 14 | 1280 |
| 15 | 1792 |
| 16 | 2560 |
| 17 | 3584 |
| 18 | 5120 |
| 19 | 7168 |
| 20 | 10240 |
| 21 | 14336 |
| 22 | 20480 |
| 23 | 28672 |
| 24 | 40960 |
| 25 | 57344 |
| 26 | 81920 |
| 27 | 114688 |
| 28 | 163840 |
| 29 | 229376 |
| 30 | 327680 |
| 31 | 458752 |
| 32 | 655360 |
| 33 | 917504 |
| 34 | 1310720 |
| 35 | 1835008 |
| 36 | 2621440 |
| 37 | 3670016 |
| 38 | 5242880 |
| 39 | 7340032 |
| 40 | 10485760 |