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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 18 |
| 4 | 18 |
| 5 | 42 |
| 6 | 38 |
| 7 | 93 |
| 8 | 84 |
| 9 | 126 |
| 10 | 102 |
| 11 | 186 |
| 12 | 180 |
| 13 | 324 |
| 14 | 198 |
| 15 | 342 |
| 16 | 258 |
| 17 | 540 |
| 18 | 434 |
| 19 | 546 |
| 20 | 402 |
| 21 | 756 |
| 22 | 588 |
| 23 | 972 |
| 24 | 578 |
| 25 | 942 |
| 26 | 678 |
| 27 | 1332 |
| 28 | 948 |
| 29 | 1266 |
| 30 | 972 |
| 31 | 1596 |
| 32 | 1302 |
| 33 | 1980 |
| 34 | 1260 |
| 35 | 1842 |
| 36 | 1298 |
| 37 | 2484 |
| 38 | 1842 |
| 39 | 2286 |
| 40 | 1602 |
| 41 | 2613 |
| 42 | 2124 |
| 43 | 3534 |
| 44 | 2100 |
| 45 | 3042 |
| 46 | 2220 |
| 47 | 4536 |
| 48 | 2772 |
| 49 | 3606 |