n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 27 |
3 | 119 |
4 | 427 |
5 | 1799 |
6 | 6939 |
7 | 30583 |
8 | 109227 |
9 | 458759 |
10 | 1769499 |
11 | 7798903 |
12 | 27984299 |
13 | 117901063 |
14 | 454761243 |
15 | 2004318071 |
16 | 7158278827 |
17 | 30064771079 |
18 | 115964117019 |
19 | 511101108343 |
20 | 1833951035819 |
21 | 7726646167303 |
22 | 29802778073883 |
23 | 131352984844151 |
24 | 469126392949419 |
[1,7,27,119,427,1799,6939,30583,109227,458759, 1769499,7798903,27984299,117901063,454761243, 2004318071,7158278827,30064771079,115964117019, 511101108343,1833951035819,7726646167303, 29802778073883,131352984844151,469126392949419] |