n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 41 |
3 | 239 |
4 | 1393 |
5 | 8119 |
6 | 47321 |
7 | 275807 |
8 | 1607521 |
9 | 9369319 |
10 | 54608393 |
11 | 318281039 |
12 | 1855077841 |
13 | 10812186007 |
14 | 63018038201 |
15 | 367296043199 |
16 | 2140758220993 |
17 | 12477253282759 |
18 | 72722761475561 |
19 | 423859315570607 |
20 | 2470433131948081 |
21 | 14398739476117879 |
22 | 83922003724759193 |
[1,7,41,239,1393,8119,47321,275807,1607521, 9369319,54608393,318281039,1855077841,10812186007, 63018038201,367296043199,2140758220993, 12477253282759,72722761475561,423859315570607, 2470433131948081,14398739476117879, 83922003724759193] |