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 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 13 |
| 9 | 1 |
| 10 | 1 |
| 11 | 16 |
| 12 | 58 |
| 13 | 40 |
| 14 | 1 |
| 15 | 1 |
| 16 | 25 |
| 17 | 170 |
| 18 | 330 |
| 19 | 121 |
| 20 | 1 |
| 21 | 1 |
| 22 | 36 |
| 23 | 395 |
| 24 | 1520 |
| 25 | 1771 |
| 26 | 364 |
| 27 | 1 |
| 28 | 1 |
| 29 | 49 |
| 30 | 791 |
| 31 | 5075 |
| 32 | 12411 |
| 33 | 9219 |
| 34 | 1093 |
| 35 | 1 |
| 36 | 1 |
| 37 | 64 |
| 38 | 1428 |
| 39 | 13776 |
| 40 | 58086 |
| 41 | 96096 |
| 42 | 47188 |
| 43 | 3280 |
| 44 | 1 |
| 45 | 1 |
| 46 | 81 |
| 47 | 2388 |
| 48 | 32340 |
| 49 | 209622 |
| 50 | 618870 |
| 51 | 719860 |
| 52 | 239220 |
| 53 | 9841 |
| 54 | 1 |