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 | 5 |
| 2 | 7 |
| 3 | 11 |
| 4 | 17 |
| 5 | 47 |
| 6 | 61 |
| 7 | 137 |
| 8 | 277 |
| 9 | 311 |
| 10 | 347 |
| 11 | 467 |
| 12 | 557 |
| 13 | 761 |
| 14 | 997 |
| 15 | 1061 |
| 16 | 1487 |
| 17 | 1811 |
| 18 | 2357 |
| 19 | 2657 |
| 20 | 3911 |
| 21 | 4561 |
| 22 | 5261 |
| 23 | 5407 |
| 24 | 5857 |
| 25 | 6011 |
| 26 | 6977 |
| 27 | 7487 |
| 28 | 8377 |
| 29 | 8747 |
| 30 | 9511 |
| 31 | 11777 |
| 32 | 12437 |
| 33 | 13577 |
| 34 | 14767 |
| 35 | 16007 |
| 36 | 17827 |
| 37 | 18637 |
| 38 | 18911 |
| 39 | 21467 |
| 40 | 23567 |
| 41 | 25127 |