n | a(n) |
---|---|
1 | 19 |
2 | 104 |
3 | 561 |
4 | 3050 |
5 | 16581 |
6 | 90185 |
7 | 490546 |
8 | 2668339 |
9 | 14514611 |
10 | 78953456 |
11 | 429474355 |
12 | 2336164665 |
13 | 12707780398 |
14 | 69125130363 |
15 | 376012453567 |
16 | 2045354053808 |
17 | 11125890031367 |
18 | 60520294171669 |
19 | 329205663240430 |
20 | 1790744248612871 |
[19,104,561,3050,16581,90185,490546,2668339, 14514611,78953456,429474355,2336164665, 12707780398,69125130363,376012453567, 2045354053808,11125890031367,60520294171669, 329205663240430,1790744248612871] |