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 | 2 |
| 2 | 149 |
| 3 | 191 |
| 4 | 331 |
| 5 | 457 |
| 6 | 499 |
| 7 | 727 |
| 8 | 743 |
| 9 | 761 |
| 10 | 821 |
| 11 | 877 |
| 12 | 881 |
| 13 | 991 |
| 14 | 1009 |
| 15 | 1171 |
| 16 | 1213 |
| 17 | 1277 |
| 18 | 1399 |
| 19 | 1409 |
| 20 | 1451 |
| 21 | 1471 |
| 22 | 1543 |
| 23 | 1567 |
| 24 | 1787 |
| 25 | 1801 |
| 26 | 1871 |
| 27 | 1889 |
| 28 | 1949 |
| 29 | 1973 |
| 30 | 2039 |
| 31 | 2053 |
| 32 | 2063 |
| 33 | 2153 |
| 34 | 2179 |
| 35 | 2531 |
| 36 | 2671 |
| 37 | 2837 |
| 38 | 2861 |
| 39 | 3023 |
| 40 | 3203 |
| 41 | 3449 |
| 42 | 3457 |
| 43 | 3779 |
| 44 | 4001 |
| 45 | 4201 |