n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 5 |
4 | 12 |
5 | 24 |
6 | 56 |
7 | 123 |
8 | 291 |
9 | 677 |
10 | 1637 |
11 | 3954 |
12 | 9757 |
13 | 24171 |
14 | 60648 |
15 | 152929 |
16 | 388822 |
17 | 993216 |
18 | 2551808 |
19 | 6582899 |
20 | 17055507 |
21 | 44341141 |
22 | 115671498 |
23 | 302627130 |
24 | 793951897 |
25 | 2088103609 |
26 | 5504504961 |
27 | 14541271283 |
28 | 38489869502 |
29 | 102066761622 |
30 | 271122837895 |
[1,1,3,5,12,24,56,123,291,677,1637,3954,9757, 24171,60648,152929,388822,993216,2551808,6582899, 17055507,44341141,115671498,302627130,793951897, 2088103609,5504504961,14541271283,38489869502, 102066761622,271122837895] |