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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 10 |
| 6 | 12 |
| 7 | 16 |
| 8 | 22 |
| 9 | 28 |
| 10 | 42 |
| 11 | 46 |
| 12 | 82 |
| 13 | 130 |
| 14 | 136 |
| 15 | 358 |
| 16 | 430 |
| 17 | 432 |
| 18 | 448 |
| 19 | 508 |
| 20 | 568 |
| 21 | 570 |
| 22 | 2970 |
| 23 | 4722 |
| 24 | 5386 |
| 25 | 9310 |
| 26 | 9676 |
| 27 | 14430 |
| 28 | 25560 |
| 29 | 30756 |
| 30 | 35998 |
| 31 | 37510 |
| 32 | 50832 |
| 33 | 81838 |
| 34 | 104910 |
| 35 | 130020 |
| 36 | 148090 |
| 37 | 201106 |
| 38 | 397378 |
| 39 | 433780 |
| 40 | 590040 |
| 41 | 593688 |
| 42 | 604710 |
| 43 | 931516 |
| 44 | 1049896 |
| 45 | 1285606 |
| 46 | 1636006 |
| 47 | 1803058 |
| 48 | 1968720 |
| 49 | 2904352 |