n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 19 |
4 | 92 |
5 | 446 |
6 | 2150 |
7 | 10280 |
8 | 48761 |
9 | 229558 |
10 | 1073278 |
11 | 4986624 |
12 | 23037102 |
13 | 105877968 |
14 | 484337300 |
15 | 2206188412 |
16 | 10010589904 |
17 | 45264063504 |
18 | 204016241794 |
19 | 916898737038 |
20 | 4109984712933 |
21 | 18379240912034 |
22 | 82012499946246 |
23 | 365245641944278 |
24 | 1623757696702586 |
25 | 7207073607368924 |
26 | 31941896126213722 |
27 | 141377838141158888 |
28 | 624983649220555836 |
29 | 2759711619634526196 |
30 | 12173102200970091434 |
[1,1,4,19,92,446,2150,10280,48761,229558,1073278, 4986624,23037102,105877968,484337300,2206188412, 10010589904,45264063504,204016241794,916898737038, 4109984712933,18379240912034,82012499946246, 365245641944278,1623757696702586,7207073607368924, 31941896126213722,141377838141158888, 624983649220555836,2759711619634526196, 12173102200970091434] |