n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 53 |
4 | 242 |
5 | 1123 |
6 | 5315 |
7 | 25443 |
8 | 122624 |
9 | 594555 |
10 | 2897359 |
11 | 14171079 |
12 | 69507304 |
13 | 341784562 |
14 | 1684170321 |
15 | 8312757257 |
16 | 41089063126 |
17 | 203356188085 |
18 | 1007520250738 |
19 | 4996268566801 |
20 | 24796418225814 |
21 | 123152206270025 |
22 | 612018222946856 |
23 | 3043155109702677 |
24 | 15138997708619128 |
25 | 75345913512987064 |
[1,3,12,53,242,1123,5315,25443,122624,594555, 2897359,14171079,69507304,341784562,1684170321, 8312757257,41089063126,203356188085,1007520250738, 4996268566801,24796418225814,123152206270025, 612018222946856,3043155109702677, 15138997708619128,75345913512987064] |