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 | 11 |
| 2 | 31 |
| 3 | 59 |
| 4 | 139 |
| 5 | 191 |
| 6 | 251 |
| 7 | 479 |
| 8 | 571 |
| 9 | 1019 |
| 10 | 1151 |
| 11 | 1291 |
| 12 | 1439 |
| 13 | 1759 |
| 14 | 1931 |
| 15 | 2111 |
| 16 | 2699 |
| 17 | 3359 |
| 18 | 4091 |
| 19 | 5179 |
| 20 | 5471 |
| 21 | 6079 |
| 22 | 6719 |
| 23 | 8831 |
| 24 | 10399 |
| 25 | 12539 |
| 26 | 13451 |
| 27 | 14879 |
| 28 | 17419 |
| 29 | 20731 |
| 30 | 23099 |
| 31 | 26891 |
| 32 | 27551 |
| 33 | 28219 |
| 34 | 30271 |
| 35 | 30971 |
| 36 | 33119 |
| 37 | 33851 |
| 38 | 34591 |
| 39 | 35339 |
| 40 | 39199 |
| 41 | 41611 |
| 42 | 44939 |
| 43 | 49279 |