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 | 36 |
| 2 | 45 |
| 3 | 210 |
| 4 | 630 |
| 5 | 780 |
| 6 | 990 |
| 7 | 1540 |
| 8 | 2850 |
| 9 | 3570 |
| 10 | 4095 |
| 11 | 4851 |
| 12 | 8778 |
| 13 | 11781 |
| 14 | 15400 |
| 15 | 17955 |
| 16 | 19110 |
| 17 | 21528 |
| 18 | 25200 |
| 19 | 26565 |
| 20 | 26796 |
| 21 | 33930 |
| 22 | 37128 |
| 23 | 40755 |
| 24 | 43956 |
| 25 | 61425 |
| 26 | 61776 |
| 27 | 70125 |
| 28 | 79800 |
| 29 | 105570 |
| 30 | 113050 |
| 31 | 122265 |
| 32 | 145530 |
| 33 | 176715 |
| 34 | 189420 |
| 35 | 192510 |
| 36 | 246753 |
| 37 | 270480 |
| 38 | 303810 |
| 39 | 349866 |
| 40 | 437580 |
| 41 | 500500 |
| 42 | 526851 |