n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 8 |
6 | 18 |
7 | 47 |
8 | 123 |
9 | 338 |
10 | 935 |
11 | 2657 |
12 | 7616 |
13 | 22138 |
14 | 64886 |
15 | 191873 |
16 | 571169 |
17 | 1711189 |
18 | 5153883 |
19 | 15599094 |
20 | 47415931 |
21 | 144692886 |
22 | 443091572 |
23 | 1361233280 |
24 | 4194107380 |
25 | 12957209782 |
26 | 40128629400 |
27 | 124562327944 |
28 | 387467513732 |
29 | 1207633413980 |
[1,1,2,3,8,18,47,123,338,935,2657,7616,22138, 64886,191873,571169,1711189,5153883,15599094, 47415931,144692886,443091572,1361233280, 4194107380,12957209782,40128629400,124562327944, 387467513732,1207633413980] |