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 | 3 |
| 2 | 33 |
| 3 | 105 |
| 4 | 129 |
| 5 | 165 |
| 6 | 201 |
| 7 | 231 |
| 8 | 351 |
| 9 | 363 |
| 10 | 393 |
| 11 | 447 |
| 12 | 543 |
| 13 | 687 |
| 14 | 861 |
| 15 | 951 |
| 16 | 1107 |
| 17 | 1149 |
| 18 | 1227 |
| 19 | 1257 |
| 20 | 1269 |
| 21 | 1293 |
| 22 | 1359 |
| 23 | 1389 |
| 24 | 1515 |
| 25 | 1557 |
| 26 | 1605 |
| 27 | 1647 |
| 28 | 1689 |
| 29 | 1761 |
| 30 | 1803 |
| 31 | 1815 |
| 32 | 1941 |
| 33 | 1977 |
| 34 | 2073 |
| 35 | 2127 |
| 36 | 2145 |
| 37 | 2163 |
| 38 | 2289 |
| 39 | 2355 |
| 40 | 2415 |
| 41 | 2445 |
| 42 | 2481 |
| 43 | 2571 |
| 44 | 2607 |
| 45 | 2619 |
| 46 | 2775 |
| 47 | 2811 |
| 48 | 2859 |
| 49 | 2973 |
| 50 | 3141 |
| 51 | 3171 |
| 52 | 3321 |
| 53 | 3327 |
| 54 | 3333 |
| 55 | 3393 |
| 56 | 3471 |
| 57 | 3501 |
| 58 | 3513 |