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 | 273 |
| 2 | 399 |
| 3 | 651 |
| 4 | 741 |
| 5 | 777 |
| 6 | 1209 |
| 7 | 1281 |
| 8 | 1365 |
| 9 | 1407 |
| 10 | 1443 |
| 11 | 1533 |
| 12 | 1659 |
| 13 | 1677 |
| 14 | 1767 |
| 15 | 1995 |
| 16 | 2037 |
| 17 | 2109 |
| 18 | 2163 |
| 19 | 2289 |
| 20 | 2379 |
| 21 | 2451 |
| 22 | 2613 |
| 23 | 2847 |
| 24 | 2919 |
| 25 | 3003 |
| 26 | 3171 |
| 27 | 3297 |
| 28 | 3423 |
| 29 | 3441 |
| 30 | 3477 |
| 31 | 3705 |
| 32 | 3783 |
| 33 | 3801 |
| 34 | 3819 |
| 35 | 3885 |
| 36 | 3999 |
| 37 | 4017 |
| 38 | 4053 |
| 39 | 4161 |
| 40 | 4179 |
| 41 | 4251 |
| 42 | 4389 |
| 43 | 4503 |
| 44 | 4641 |
| 45 | 4683 |
| 46 | 4773 |
| 47 | 4809 |
| 48 | 4953 |