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 | 1 |
| 2 | 3 |
| 3 | 1 |
| 4 | 3 |
| 5 | 15 |
| 6 | 45 |
| 7 | 15 |
| 8 | 3 |
| 9 | 1 |
| 10 | 11 |
| 11 | 77 |
| 12 | 7 |
| 13 | 1 |
| 14 | 3 |
| 15 | 9 |
| 16 | 27 |
| 17 | 9 |
| 18 | 3 |
| 19 | 33 |
| 20 | 11 |
| 21 | 1 |
| 22 | 25 |
| 23 | 5 |
| 24 | 55 |
| 25 | 275 |
| 26 | 25 |
| 27 | 1 |
| 28 | 13 |
| 29 | 39 |
| 30 | 3 |
| 31 | 9 |
| 32 | 27 |
| 33 | 9 |
| 34 | 3 |
| 35 | 1 |
| 36 | 17 |
| 37 | 1 |
| 38 | 49 |
| 39 | 7 |
| 40 | 49 |
| 41 | 931 |
| 42 | 19 |
| 43 | 1 |
| 44 | 11 |
| 45 | 319 |
| 46 | 11 |
| 47 | 319 |
| 48 | 11 |
| 49 | 1 |
| 50 | 3 |
| 51 | 75 |
| 52 | 1725 |
| 53 | 345 |
| 54 | 15 |
| 55 | 645 |
| 56 | 1935 |
| 57 | 5805 |
| 58 | 29025 |
| 59 | 675 |
| 60 | 41175 |
| 61 | 13725 |
| 62 | 549 |
| 63 | 20313 |
| 64 | 6771 |
| 65 | 183 |
| 66 | 3 |
| 67 | 411 |
| 68 | 15207 |