n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 22 |
5 | 68 |
6 | 188 |
7 | 532 |
8 | 1444 |
9 | 3921 |
10 | 10446 |
11 | 27704 |
12 | 72714 |
13 | 189912 |
14 | 492760 |
15 | 1273064 |
16 | 3273896 |
17 | 8389489 |
18 | 21423994 |
19 | 54550728 |
20 | 138520286 |
21 | 350899964 |
22 | 886925652 |
23 | 2237284668 |
24 | 5633150988 |
25 | 14159465505 |
26 | 35535456518 |
27 | 89053087224 |
28 | 222870328210 |
29 | 557074041840 |
30 | 1390807477040 |
[1,2,8,22,68,188,532,1444,3921,10446,27704,72714, 189912,492760,1273064,3273896,8389489,21423994, 54550728,138520286,350899964,886925652,2237284668, 5633150988,14159465505,35535456518,89053087224, 222870328210,557074041840,1390807477040] |