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 | 1 |
| 4 | 5 |
| 5 | 1 |
| 6 | 19 |
| 7 | 1 |
| 8 | 69 |
| 9 | 5 |
| 10 | 19 |
| 11 | 1 |
| 12 | 2123 |
| 13 | 1 |
| 14 | 19 |
| 15 | 19 |
| 16 | 4165 |
| 17 | 1 |
| 18 | 2131 |
| 19 | 1 |
| 20 | 2125 |
| 21 | 19 |
| 22 | 19 |
| 23 | 1 |
| 24 | 4228171 |
| 25 | 5 |
| 26 | 19 |
| 27 | 69 |
| 28 | 2125 |
| 29 | 1 |
| 30 | 526631 |
| 31 | 1 |
| 32 | 2101317 |
| 33 | 19 |
| 34 | 19 |
| 35 | 19 |
| 36 | 268706123 |
| 37 | 1 |
| 38 | 19 |
| 39 | 19 |
| 40 | 4228237 |
| 41 | 1 |
| 42 | 526643 |
| 43 | 1 |
| 44 | 2125 |
| 45 | 2123 |
| 46 | 19 |
| 47 | 1 |
| 48 | 550026380363 |
| 49 | 5 |
| 50 | 2131 |
| 51 | 19 |
| 52 | 2125 |
| 53 | 1 |
| 54 | 4229203 |
| 55 | 19 |
| 56 | 4228237 |
| 57 | 19 |
| 58 | 19 |
| 59 | 1 |
| 60 | 8798249190555 |
| 61 | 1 |
| 62 | 19 |
| 63 | 2123 |
| 64 | 17181970501 |
| 65 | 19 |
| 66 | 526643 |
| 67 | 1 |
| 68 | 2125 |