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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 1 |
| 6 | 1 |
| 7 | 8 |
| 8 | 8 |
| 9 | 1 |
| 10 | 1 |
| 11 | 21 |
| 12 | 56 |
| 13 | 21 |
| 14 | 1 |
| 15 | 1 |
| 16 | 55 |
| 17 | 385 |
| 18 | 385 |
| 19 | 55 |
| 20 | 1 |
| 21 | 1 |
| 22 | 144 |
| 23 | 2640 |
| 24 | 6930 |
| 25 | 2640 |
| 26 | 144 |
| 27 | 1 |
| 28 | 1 |
| 29 | 377 |
| 30 | 18096 |
| 31 | 124410 |
| 32 | 124410 |
| 33 | 18096 |
| 34 | 377 |
| 35 | 1 |
| 36 | 1 |
| 37 | 987 |
| 38 | 124033 |
| 39 | 2232594 |
| 40 | 5847270 |
| 41 | 2232594 |
| 42 | 124033 |
| 43 | 987 |
| 44 | 1 |
| 45 | 1 |
| 46 | 2584 |
| 47 | 850136 |
| 48 | 40062659 |
| 49 | 274715376 |
| 50 | 274715376 |
| 51 | 40062659 |
| 52 | 850136 |
| 53 | 2584 |
| 54 | 1 |