n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 7 |
4 | 20 |
5 | 148 |
6 | 403 |
7 | 1096 |
8 | 2980 |
9 | 8101 |
10 | 8102 |
11 | 8103 |
12 | 59874 |
13 | 442413 |
14 | 1202604 |
15 | 3269017 |
16 | 8886110 |
17 | 24154952 |
18 | 65659968 |
19 | 65659969 |
20 | 485165195 |
21 | 1318815734 |
22 | 3584912845 |
23 | 3584912846 |
24 | 9744803446 |
25 | 72004899336 |
26 | 72004899337 |
27 | 195729609428 |
28 | 532048240600 |
[2,6,7,20,148,403,1096,2980,8101,8102,8103,59874, 442413,1202604,3269017,8886110,24154952,65659968, 65659969,485165195,1318815734,3584912845, 3584912846,9744803446,72004899336,72004899337, 195729609428,532048240600] |