n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 17 |
3 | 53 |
4 | 161 |
5 | 485 |
6 | 1457 |
7 | 4373 |
8 | 13121 |
9 | 39365 |
10 | 118097 |
11 | 354293 |
12 | 1062881 |
13 | 3188645 |
14 | 9565937 |
15 | 28697813 |
16 | 86093441 |
17 | 258280325 |
18 | 774840977 |
19 | 2324522933 |
20 | 6973568801 |
21 | 20920706405 |
22 | 62762119217 |
23 | 188286357653 |
24 | 564859072961 |
25 | 1694577218885 |
26 | 5083731656657 |
27 | 15251194969973 |
[1,5,17,53,161,485,1457,4373,13121,39365,118097, 354293,1062881,3188645,9565937,28697813,86093441, 258280325,774840977,2324522933,6973568801, 20920706405,62762119217,188286357653,564859072961, 1694577218885,5083731656657,15251194969973] |