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) |
|---|---|
| 35 | 1 |
| 36 | 36 |
| 37 | 666 |
| 38 | 8436 |
| 39 | 82251 |
| 40 | 658008 |
| 41 | 4496388 |
| 42 | 26978328 |
| 43 | 145008513 |
| 44 | 708930508 |
| 45 | 3190187286 |
| 46 | 13340783196 |
| 47 | 52251400851 |
| 48 | 192928249296 |
| 49 | 675248872536 |
| 50 | 2250829575120 |
| 51 | 7174519270695 |
| 52 | 21945588357420 |
| 53 | 64617565719070 |
| 54 | 183649923622620 |
| 55 | 505037289962205 |
| 56 | 1346766106565880 |