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 | 4 |
| 5 | 4 |
| 6 | 1 |
| 7 | 9 |
| 8 | 26 |
| 9 | 26 |
| 10 | 8 |
| 11 | 1 |
| 12 | 16 |
| 13 | 92 |
| 14 | 232 |
| 15 | 260 |
| 16 | 112 |
| 17 | 16 |
| 18 | 1 |
| 19 | 25 |
| 20 | 240 |
| 21 | 1124 |
| 22 | 2728 |
| 23 | 3368 |
| 24 | 1960 |
| 25 | 440 |
| 26 | 32 |
| 27 | 1 |
| 28 | 36 |
| 29 | 520 |
| 30 | 3896 |
| 31 | 16428 |
| 32 | 39680 |
| 33 | 53744 |
| 34 | 38368 |
| 35 | 12944 |
| 36 | 1600 |
| 37 | 64 |
| 38 | 1 |
| 39 | 49 |
| 40 | 994 |
| 41 | 10894 |
| 42 | 70792 |
| 43 | 282248 |
| 44 | 692320 |
| 45 | 1022320 |
| 46 | 867328 |
| 47 | 389312 |
| 48 | 81184 |
| 49 | 5792 |
| 50 | 128 |