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 | 53 |
| 2 | 257 |
| 3 | 269 |
| 4 | 397 |
| 5 | 401 |
| 6 | 421 |
| 7 | 617 |
| 8 | 757 |
| 9 | 773 |
| 10 | 929 |
| 11 | 1021 |
| 12 | 1109 |
| 13 | 1181 |
| 14 | 1237 |
| 15 | 1433 |
| 16 | 1609 |
| 17 | 1621 |
| 18 | 1697 |
| 19 | 1753 |
| 20 | 1873 |
| 21 | 2069 |
| 22 | 2113 |
| 23 | 2237 |
| 24 | 2381 |
| 25 | 2621 |
| 26 | 2729 |
| 27 | 2777 |
| 28 | 2797 |
| 29 | 2897 |
| 30 | 2953 |
| 31 | 3041 |
| 32 | 3257 |
| 33 | 3433 |
| 34 | 3613 |
| 35 | 3677 |
| 36 | 3701 |
| 37 | 3733 |
| 38 | 3793 |
| 39 | 3853 |
| 40 | 3877 |
| 41 | 4013 |
| 42 | 4093 |