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 | 103 |
| 2 | 137 |
| 3 | 239 |
| 4 | 307 |
| 5 | 409 |
| 6 | 443 |
| 7 | 613 |
| 8 | 647 |
| 9 | 919 |
| 10 | 953 |
| 11 | 1021 |
| 12 | 1123 |
| 13 | 1259 |
| 14 | 1327 |
| 15 | 1361 |
| 16 | 1429 |
| 17 | 1531 |
| 18 | 1667 |
| 19 | 1871 |
| 20 | 1973 |
| 21 | 2143 |
| 22 | 2347 |
| 23 | 2381 |
| 24 | 2551 |
| 25 | 2687 |
| 26 | 2789 |
| 27 | 2857 |
| 28 | 3061 |
| 29 | 3163 |
| 30 | 3299 |
| 31 | 3469 |
| 32 | 3571 |
| 33 | 3673 |
| 34 | 3877 |
| 35 | 3911 |
| 36 | 4013 |
| 37 | 4217 |
| 38 | 4421 |
| 39 | 4523 |
| 40 | 4591 |
| 41 | 4931 |
| 42 | 4999 |
| 43 | 5101 |
| 44 | 5237 |