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 | 27 |
| 2 | 63 |
| 3 | 75 |
| 4 | 99 |
| 5 | 135 |
| 6 | 147 |
| 7 | 171 |
| 8 | 175 |
| 9 | 207 |
| 10 | 243 |
| 11 | 275 |
| 12 | 279 |
| 13 | 315 |
| 14 | 343 |
| 15 | 351 |
| 16 | 363 |
| 17 | 375 |
| 18 | 387 |
| 19 | 423 |
| 20 | 459 |
| 21 | 475 |
| 22 | 495 |
| 23 | 507 |
| 24 | 531 |
| 25 | 539 |
| 26 | 567 |
| 27 | 575 |
| 28 | 603 |
| 29 | 639 |
| 30 | 675 |
| 31 | 711 |
| 32 | 735 |
| 33 | 747 |
| 34 | 775 |
| 35 | 783 |
| 36 | 819 |
| 37 | 847 |
| 38 | 855 |
| 39 | 867 |
| 40 | 875 |
| 41 | 891 |
| 42 | 927 |
| 43 | 931 |
| 44 | 963 |
| 45 | 975 |
| 46 | 999 |
| 47 | 1035 |
| 48 | 1071 |
| 49 | 1075 |
| 50 | 1083 |
| 51 | 1107 |