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 | 4 |
| 2 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 19 |
| 6 | 43 |
| 7 | 97 |
| 8 | 146 |
| 9 | 163 |
| 10 | 191 |
| 11 | 223 |
| 12 | 344 |
| 13 | 457 |
| 14 | 526 |
| 15 | 877 |
| 16 | 904 |
| 17 | 1049 |
| 18 | 1114 |
| 19 | 1307 |
| 20 | 1736 |
| 21 | 1751 |
| 22 | 1781 |
| 23 | 2129 |
| 24 | 2476 |
| 25 | 3097 |
| 26 | 3551 |
| 27 | 5131 |
| 28 | 8504 |
| 29 | 10342 |
| 30 | 10357 |
| 31 | 18233 |
| 32 | 24776 |
| 33 | 40072 |
| 34 | 68707 |
| 35 | 99719 |
| 36 | 125903 |
| 37 | 174913 |
| 38 | 181267 |
| 39 | 371428 |
| 40 | 827576 |
| 41 | 936118 |
| 42 | 1054141 |