n | a(n) |
---|---|
1 | 1 |
2 | 39 |
3 | 230 |
4 | 929 |
5 | 6307 |
6 | 52171 |
7 | 371130 |
8 | 2568565 |
9 | 18322421 |
10 | 129531126 |
11 | 926299920 |
12 | 6712699992 |
13 | 48087248218 |
14 | 341400959047 |
15 | 2440466698929 |
16 | 17538694281014 |
17 | 125725413376414 |
18 | 899035671334963 |
19 | 6432936252126858 |
20 | 46077832832481217 |
[1,39,230,929,6307,52171,371130,2568565,18322421, 129531126,926299920,6712699992,48087248218, 341400959047,2440466698929,17538694281014, 125725413376414,899035671334963,6432936252126858, 46077832832481217] |