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) |
|---|---|
| 0 | 149 |
| 1 | 191 |
| 2 | 251 |
| 3 | 293 |
| 4 | 347 |
| 5 | 419 |
| 6 | 431 |
| 7 | 557 |
| 8 | 587 |
| 9 | 641 |
| 10 | 701 |
| 11 | 719 |
| 12 | 797 |
| 13 | 821 |
| 14 | 839 |
| 15 | 929 |
| 16 | 1031 |
| 17 | 1049 |
| 18 | 1061 |
| 19 | 1163 |
| 20 | 1181 |
| 21 | 1259 |
| 22 | 1409 |
| 23 | 1481 |
| 24 | 1637 |
| 25 | 1709 |
| 26 | 1733 |
| 27 | 1811 |
| 28 | 1889 |
| 29 | 2027 |
| 30 | 2039 |
| 31 | 2063 |
| 32 | 2099 |
| 33 | 2153 |
| 34 | 2531 |
| 35 | 2657 |
| 36 | 2729 |
| 37 | 2741 |
| 38 | 2777 |
| 39 | 2897 |
| 40 | 2927 |
| 41 | 3011 |