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 | 1 |
| 2 | 7 |
| 3 | 31 |
| 4 | 37 |
| 5 | 109 |
| 6 | 121 |
| 7 | 127 |
| 8 | 133 |
| 9 | 151 |
| 10 | 157 |
| 11 | 403 |
| 12 | 421 |
| 13 | 511 |
| 14 | 529 |
| 15 | 631 |
| 16 | 637 |
| 17 | 661 |
| 18 | 679 |
| 19 | 1579 |
| 20 | 1621 |
| 21 | 1633 |
| 22 | 1969 |
| 23 | 1981 |
| 24 | 2017 |
| 25 | 2041 |
| 26 | 2047 |
| 27 | 2053 |
| 28 | 2071 |
| 29 | 2077 |
| 30 | 2143 |
| 31 | 2149 |
| 32 | 2167 |
| 33 | 2173 |
| 34 | 2401 |
| 35 | 2527 |
| 36 | 2557 |
| 37 | 2677 |
| 38 | 6493 |
| 39 | 6559 |
| 40 | 6643 |
| 41 | 6661 |
| 42 | 6703 |
| 43 | 6733 |
| 44 | 6871 |