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 | 131 |
| 2 | 239 |
| 3 | 389 |
| 4 | 419 |
| 5 | 461 |
| 6 | 821 |
| 7 | 919 |
| 8 | 1051 |
| 9 | 1109 |
| 10 | 1531 |
| 11 | 1601 |
| 12 | 1879 |
| 13 | 1901 |
| 14 | 2011 |
| 15 | 2399 |
| 16 | 2411 |
| 17 | 2609 |
| 18 | 2699 |
| 19 | 2791 |
| 20 | 2971 |
| 21 | 3011 |
| 22 | 3041 |
| 23 | 3469 |
| 24 | 3541 |
| 25 | 3559 |
| 26 | 3671 |
| 27 | 3709 |
| 28 | 4139 |
| 29 | 4219 |
| 30 | 4261 |
| 31 | 4349 |
| 32 | 4451 |
| 33 | 4679 |
| 34 | 4789 |
| 35 | 4799 |
| 36 | 4951 |
| 37 | 5101 |
| 38 | 5231 |
| 39 | 5279 |
| 40 | 5479 |
| 41 | 5821 |