n | a(n) |
---|---|
0 | 3 |
1 | 10 |
2 | 33 |
3 | 108 |
4 | 353 |
5 | 1153 |
6 | 3766 |
7 | 12300 |
8 | 40172 |
9 | 131202 |
10 | 428506 |
11 | 1399501 |
12 | 4570771 |
13 | 14928140 |
14 | 48755311 |
15 | 159234864 |
16 | 520061125 |
17 | 1698519827 |
18 | 5547366384 |
19 | 18117700664 |
20 | 59172417076 |
21 | 193257136076 |
22 | 631177877968 |
23 | 2061427183105 |
24 | 6732621943159 |
25 | 21988745758766 |
[3,10,33,108,353,1153,3766,12300,40172,131202, 428506,1399501,4570771,14928140,48755311, 159234864,520061125,1698519827,5547366384, 18117700664,59172417076,193257136076,631177877968, 2061427183105,6732621943159,21988745758766] |