n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 19 |
5 | 44 |
6 | 98 |
7 | 216 |
8 | 467 |
9 | 1004 |
10 | 2134 |
11 | 4520 |
12 | 9502 |
13 | 19928 |
14 | 41572 |
15 | 86576 |
16 | 179587 |
17 | 372044 |
18 | 768398 |
19 | 1585416 |
20 | 3263210 |
21 | 6711176 |
22 | 13775068 |
23 | 28255568 |
24 | 57863214 |
25 | 118430584 |
26 | 242061468 |
27 | 494523536 |
28 | 1009105372 |
29 | 2058327344 |
30 | 4194213448 |
[0,1,3,8,19,44,98,216,467,1004,2134,4520,9502, 19928,41572,86576,179587,372044,768398,1585416, 3263210,6711176,13775068,28255568,57863214, 118430584,242061468,494523536,1009105372, 2058327344,4194213448] |