n | a(n) |
---|---|
1 | 7 |
2 | 19 |
3 | 62 |
4 | 253 |
5 | 1104 |
6 | 5082 |
7 | 24119 |
8 | 117016 |
9 | 577219 |
10 | 2881559 |
11 | 14517349 |
12 | 73646606 |
13 | 375647872 |
14 | 1924303223 |
15 | 9890611989 |
16 | 50972464766 |
17 | 263251147564 |
18 | 1361885016990 |
19 | 7055002534314 |
20 | 36586652345539 |
21 | 189899006940570 |
[7,19,62,253,1104,5082,24119,117016,577219, 2881559,14517349,73646606,375647872,1924303223, 9890611989,50972464766,263251147564,1361885016990, 7055002534314,36586652345539,189899006940570] |