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 | 151 |
| 2 | 157 |
| 3 | 1151 |
| 4 | 1153 |
| 5 | 1511 |
| 6 | 1523 |
| 7 | 1531 |
| 8 | 1543 |
| 9 | 1549 |
| 10 | 1553 |
| 11 | 1559 |
| 12 | 1567 |
| 13 | 1571 |
| 14 | 1579 |
| 15 | 1583 |
| 16 | 1597 |
| 17 | 2153 |
| 18 | 4153 |
| 19 | 4157 |
| 20 | 4159 |
| 21 | 5153 |
| 22 | 6151 |
| 23 | 7151 |
| 24 | 7159 |
| 25 | 9151 |
| 26 | 9157 |
| 27 | 10151 |
| 28 | 10159 |
| 29 | 11159 |
| 30 | 11503 |
| 31 | 11519 |
| 32 | 11527 |
| 33 | 11549 |
| 34 | 11551 |
| 35 | 11579 |
| 36 | 11587 |
| 37 | 11593 |
| 38 | 11597 |
| 39 | 12157 |
| 40 | 13151 |
| 41 | 13159 |