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 | 7 |
| 2 | 12 |
| 3 | 40 |
| 4 | 75 |
| 5 | 163 |
| 6 | 228 |
| 7 | 261 |
| 8 | 288 |
| 9 | 322 |
| 10 | 331 |
| 11 | 618 |
| 12 | 678 |
| 13 | 768 |
| 14 | 926 |
| 15 | 2990 |
| 16 | 3821 |
| 17 | 4852 |
| 18 | 5726 |
| 19 | 10802 |
| 20 | 11710 |
| 21 | 12006 |
| 22 | 12635 |
| 23 | 14470 |
| 24 | 18097 |
| 25 | 22156 |
| 26 | 25776 |
| 27 | 29142 |
| 28 | 32692 |
| 29 | 36965 |
| 30 | 48830 |
| 31 | 51821 |
| 32 | 56433 |
| 33 | 58008 |
| 34 | 63757 |
| 35 | 64433 |
| 36 | 67545 |
| 37 | 68391 |
| 38 | 69850 |
| 39 | 73723 |
| 40 | 77498 |
| 41 | 77770 |