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 | 3 |
| 2 | 11 |
| 3 | 31 |
| 4 | 131 |
| 5 | 223 |
| 6 | 521 |
| 7 | 739 |
| 8 | 1741 |
| 9 | 3391 |
| 10 | 4931 |
| 11 | 5851 |
| 12 | 9283 |
| 13 | 24419 |
| 14 | 27031 |
| 15 | 32801 |
| 16 | 59359 |
| 17 | 68963 |
| 18 | 74131 |
| 19 | 85229 |
| 20 | 110641 |
| 21 | 148931 |
| 22 | 157519 |
| 23 | 175673 |
| 24 | 216061 |
| 25 | 328579 |
| 26 | 357983 |
| 27 | 405299 |
| 28 | 456611 |
| 29 | 571871 |
| 30 | 658591 |
| 31 | 857471 |
| 32 | 1061311 |
| 33 | 1124969 |
| 34 | 1259821 |