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 | 13 |
| 2 | 47 |
| 3 | 149 |
| 4 | 251 |
| 5 | 353 |
| 6 | 421 |
| 7 | 523 |
| 8 | 557 |
| 9 | 659 |
| 10 | 727 |
| 11 | 761 |
| 12 | 829 |
| 13 | 863 |
| 14 | 1033 |
| 15 | 1237 |
| 16 | 1373 |
| 17 | 1543 |
| 18 | 1747 |
| 19 | 1951 |
| 20 | 2053 |
| 21 | 2087 |
| 22 | 2393 |
| 23 | 2699 |
| 24 | 2767 |
| 25 | 2801 |
| 26 | 2903 |
| 27 | 2971 |
| 28 | 3209 |
| 29 | 3413 |
| 30 | 3583 |
| 31 | 3617 |
| 32 | 3719 |
| 33 | 3821 |
| 34 | 3889 |
| 35 | 3923 |
| 36 | 4093 |
| 37 | 4127 |
| 38 | 4229 |
| 39 | 4297 |
| 40 | 4603 |
| 41 | 4637 |
| 42 | 4909 |
| 43 | 4943 |
| 44 | 5011 |
| 45 | 5113 |