n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 5 |
6 | 13 |
7 | 27 |
8 | 68 |
9 | 160 |
10 | 404 |
11 | 1010 |
12 | 2604 |
13 | 6726 |
14 | 17661 |
15 | 46628 |
16 | 124287 |
17 | 333162 |
18 | 898921 |
19 | 2437254 |
20 | 6640537 |
21 | 18166568 |
22 | 49890419 |
23 | 137478389 |
24 | 380031868 |
25 | 1053517588 |
26 | 2928246650 |
27 | 8158727139 |
28 | 22782938271 |
29 | 63752461474 |
30 | 178740014515 |
31 | 502026565792 |
32 | 1412409894224 |
[0,1,1,3,5,13,27,68,160,404,1010,2604,6726,17661, 46628,124287,333162,898921,2437254,6640537, 18166568,49890419,137478389,380031868,1053517588, 2928246650,8158727139,22782938271,63752461474, 178740014515,502026565792,1412409894224] |