n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 10 |
6 | 19 |
7 | 35 |
8 | 67 |
9 | 120 |
10 | 221 |
11 | 407 |
12 | 751 |
13 | 1378 |
14 | 2535 |
15 | 4663 |
16 | 8579 |
17 | 15776 |
18 | 29017 |
19 | 53371 |
20 | 98167 |
21 | 180554 |
22 | 332091 |
23 | 610811 |
24 | 1123459 |
25 | 2066360 |
26 | 3800629 |
27 | 6990447 |
28 | 12857439 |
29 | 23648514 |
30 | 43496399 |
31 | 80002351 |
32 | 147147267 |
33 | 270646016 |
34 | 497795633 |
35 | 915588915 |
36 | 1684030567 |
37 | 3097415114 |
38 | 5697034595 |
39 | 10478480275 |
[0,1,3,7,10,19,35,67,120,221,407,751,1378,2535, 4663,8579,15776,29017,53371,98167,180554,332091, 610811,1123459,2066360,3800629,6990447,12857439, 23648514,43496399,80002351,147147267,270646016, 497795633,915588915,1684030567,3097415114, 5697034595,10478480275] |