n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 47 |
4 | 183 |
5 | 714 |
6 | 2785 |
7 | 10863 |
8 | 42372 |
9 | 165275 |
10 | 644667 |
11 | 2514570 |
12 | 9808261 |
13 | 38257827 |
14 | 149227404 |
15 | 582072215 |
16 | 2270414511 |
17 | 8855914986 |
18 | 34543132921 |
19 | 134737972743 |
20 | 525555146964 |
21 | 2049965624963 |
22 | 7996038261267 |
23 | 31189121952618 |
24 | 121655411891581 |
25 | 474525678055131 |
[1,3,12,47,183,714,2785,10863,42372,165275,644667, 2514570,9808261,38257827,149227404,582072215, 2270414511,8855914986,34543132921,134737972743, 525555146964,2049965624963,7996038261267, 31189121952618,121655411891581,474525678055131] |