n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 16 |
6 | 37 |
7 | 92 |
8 | 232 |
9 | 596 |
10 | 1541 |
11 | 4006 |
12 | 10441 |
13 | 27262 |
14 | 71254 |
15 | 186356 |
16 | 487579 |
17 | 1276004 |
18 | 3339821 |
19 | 8742472 |
20 | 22885996 |
21 | 59912932 |
22 | 156848617 |
23 | 410626154 |
24 | 1075018897 |
25 | 2814412826 |
26 | 7368190922 |
27 | 19290113572 |
28 | 50502074767 |
29 | 132215989336 |
30 | 346145696821 |
31 | 906220783316 |
[1,2,2,4,7,16,37,92,232,596,1541,4006,10441,27262, 71254,186356,487579,1276004,3339821,8742472, 22885996,59912932,156848617,410626154,1075018897, 2814412826,7368190922,19290113572,50502074767, 132215989336,346145696821,906220783316] |