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 | 5 |
| 3 | 13 |
| 4 | 37 |
| 5 | 61 |
| 6 | 73 |
| 7 | 157 |
| 8 | 193 |
| 9 | 277 |
| 10 | 313 |
| 11 | 397 |
| 12 | 421 |
| 13 | 457 |
| 14 | 541 |
| 15 | 613 |
| 16 | 661 |
| 17 | 673 |
| 18 | 733 |
| 19 | 757 |
| 20 | 877 |
| 21 | 997 |
| 22 | 1093 |
| 23 | 1153 |
| 24 | 1201 |
| 25 | 1213 |
| 26 | 1237 |
| 27 | 1321 |
| 28 | 1381 |
| 29 | 1453 |
| 30 | 1621 |
| 31 | 1657 |
| 32 | 1753 |
| 33 | 1873 |
| 34 | 1933 |
| 35 | 1993 |
| 36 | 2017 |
| 37 | 2137 |
| 38 | 2341 |
| 39 | 2473 |
| 40 | 2557 |
| 41 | 2593 |
| 42 | 2797 |
| 43 | 2857 |
| 44 | 2917 |
| 45 | 3061 |
| 46 | 3217 |
| 47 | 3253 |