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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 19 |
| 7 | 31 |
| 8 | 47 |
| 9 | 79 |
| 10 | 103 |
| 11 | 159 |
| 12 | 191 |
| 13 | 239 |
| 14 | 303 |
| 15 | 383 |
| 16 | 479 |
| 17 | 511 |
| 18 | 767 |
| 19 | 831 |
| 20 | 863 |
| 21 | 895 |
| 22 | 959 |
| 23 | 991 |
| 24 | 1119 |
| 25 | 1311 |
| 26 | 1343 |
| 27 | 1503 |
| 28 | 1631 |
| 29 | 1791 |
| 30 | 1983 |
| 31 | 2367 |
| 32 | 2559 |
| 33 | 2687 |
| 34 | 2879 |
| 35 | 2943 |
| 36 | 3391 |
| 37 | 4415 |
| 38 | 4671 |
| 39 | 4735 |
| 40 | 4799 |
| 41 | 5439 |
| 42 | 6463 |
| 43 | 6591 |
| 44 | 6719 |
| 45 | 7359 |
| 46 | 9343 |
| 47 | 11263 |
| 48 | 12415 |
| 49 | 21503 |
| 50 | 23039 |
| 51 | 36607 |
| 52 | 50687 |
| 53 | 51967 |
| 54 | 56319 |
| 55 | 56831 |
| 56 | 63231 |
| 57 | 64767 |