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 | 17 |
| 2 | 41 |
| 3 | 137 |
| 4 | 281 |
| 5 | 521 |
| 6 | 569 |
| 7 | 617 |
| 8 | 641 |
| 9 | 809 |
| 10 | 857 |
| 11 | 881 |
| 12 | 1049 |
| 13 | 1289 |
| 14 | 1481 |
| 15 | 1697 |
| 16 | 1721 |
| 17 | 2081 |
| 18 | 2129 |
| 19 | 2657 |
| 20 | 2729 |
| 21 | 2801 |
| 22 | 2969 |
| 23 | 3257 |
| 24 | 3329 |
| 25 | 3929 |
| 26 | 4001 |
| 27 | 4049 |
| 28 | 4217 |
| 29 | 4241 |
| 30 | 4337 |
| 31 | 4481 |
| 32 | 4649 |
| 33 | 4721 |
| 34 | 5009 |
| 35 | 5417 |
| 36 | 5441 |
| 37 | 5657 |
| 38 | 5849 |
| 39 | 6089 |
| 40 | 6449 |
| 41 | 6569 |
| 42 | 6689 |
| 43 | 6761 |
| 44 | 7457 |