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 | 15 |
| 2 | 49 |
| 3 | 91 |
| 4 | 133 |
| 5 | 217 |
| 6 | 259 |
| 7 | 301 |
| 8 | 427 |
| 9 | 469 |
| 10 | 511 |
| 11 | 553 |
| 12 | 679 |
| 13 | 721 |
| 14 | 763 |
| 15 | 889 |
| 16 | 973 |
| 17 | 1015 |
| 18 | 1057 |
| 19 | 1099 |
| 20 | 1141 |
| 21 | 1267 |
| 22 | 1351 |
| 23 | 1393 |
| 24 | 1477 |
| 25 | 1561 |
| 26 | 1603 |
| 27 | 1687 |
| 28 | 1897 |
| 29 | 1939 |
| 30 | 1981 |
| 31 | 2107 |
| 32 | 2149 |
| 33 | 2191 |
| 34 | 2317 |
| 35 | 2359 |
| 36 | 2443 |
| 37 | 2569 |
| 38 | 2611 |
| 39 | 2653 |
| 40 | 2779 |
| 41 | 2863 |
| 42 | 2947 |
| 43 | 3031 |
| 44 | 3073 |
| 45 | 3199 |
| 46 | 3241 |
| 47 | 3409 |