n | a(n) |
---|---|
0 | 1 |
1 | 30 |
2 | 495 |
3 | 5940 |
4 | 57915 |
5 | 486486 |
6 | 3648645 |
7 | 25019280 |
8 | 159497910 |
9 | 956987460 |
10 | 5454828522 |
11 | 29753610120 |
12 | 156206453130 |
13 | 793048146660 |
14 | 3908594437110 |
15 | 18761253298128 |
16 | 87943374834975 |
17 | 403504896301650 |
18 | 1815772033357425 |
[1,30,495,5940,57915,486486,3648645,25019280, 159497910,956987460,5454828522,29753610120, 156206453130,793048146660,3908594437110, 18761253298128,87943374834975,403504896301650, 1815772033357425] |