n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 50 |
4 | 519 |
5 | 5910 |
6 | 73294 |
7 | 957332 |
8 | 13011585 |
9 | 182262067 |
10 | 2615047418 |
11 | 38257201350 |
12 | 568784501596 |
13 | 8571868074560 |
14 | 130687117401934 |
15 | 2012485947249822 |
16 | 31262279693472267 |
17 | 489374243181858825 |
18 | 7712880007117038531 |
19 | 122301036027089010734 |
20 | 1949904188227477978314 |
[1,1,7,50,519,5910,73294,957332,13011585, 182262067,2615047418,38257201350,568784501596, 8571868074560,130687117401934,2012485947249822, 31262279693472267,489374243181858825, 7712880007117038531,122301036027089010734, 1949904188227477978314] |