n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 15 |
4 | 47 |
5 | 158 |
6 | 546 |
7 | 1959 |
8 | 7186 |
9 | 26752 |
10 | 101598 |
11 | 390218 |
12 | 1515442 |
13 | 5942431 |
14 | 23505016 |
15 | 93645233 |
16 | 375351768 |
17 | 1514057193 |
18 | 6138079032 |
19 | 24996491647 |
20 | 102243003319 |
21 | 419849010522 |
22 | 1730025591625 |
23 | 7151698005385 |
24 | 29656218739201 |
25 | 123313206841880 |
26 | 514038736373565 |
27 | 2148049283949433 |
28 | 8996338290624829 |
[1,2,5,15,47,158,546,1959,7186,26752,101598, 390218,1515442,5942431,23505016,93645233, 375351768,1514057193,6138079032,24996491647, 102243003319,419849010522,1730025591625, 7151698005385,29656218739201,123313206841880, 514038736373565,2148049283949433,8996338290624829] |