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 | 211 |
| 2 | 223 |
| 3 | 479 |
| 4 | 521 |
| 5 | 631 |
| 6 | 673 |
| 7 | 809 |
| 8 | 1009 |
| 9 | 1213 |
| 10 | 1249 |
| 11 | 1319 |
| 12 | 1471 |
| 13 | 1511 |
| 14 | 1523 |
| 15 | 1543 |
| 16 | 1721 |
| 17 | 1801 |
| 18 | 1823 |
| 19 | 1901 |
| 20 | 2081 |
| 21 | 2111 |
| 22 | 2309 |
| 23 | 2411 |
| 24 | 2459 |
| 25 | 2591 |
| 26 | 2633 |
| 27 | 2789 |
| 28 | 2939 |
| 29 | 3061 |
| 30 | 3079 |
| 31 | 3181 |
| 32 | 3203 |
| 33 | 3271 |
| 34 | 3343 |
| 35 | 3359 |
| 36 | 3511 |
| 37 | 3571 |
| 38 | 3671 |
| 39 | 3943 |
| 40 | 4001 |
| 41 | 4091 |
| 42 | 4111 |
| 43 | 4409 |
| 44 | 4421 |