n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 71 |
4 | 494 |
5 | 3448 |
6 | 24055 |
7 | 167811 |
8 | 1170709 |
9 | 8167235 |
10 | 56977308 |
11 | 397492341 |
12 | 2773036806 |
13 | 19345613394 |
14 | 134961338332 |
15 | 941534521444 |
16 | 6568453351718 |
17 | 45823682988617 |
18 | 319681028423436 |
19 | 2230199610078620 |
20 | 15558603290655476 |
[1,10,71,494,3448,24055,167811,1170709,8167235, 56977308,397492341,2773036806,19345613394, 134961338332,941534521444,6568453351718, 45823682988617,319681028423436,2230199610078620, 15558603290655476] |