n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 57 |
4 | 269 |
5 | 1263 |
6 | 6087 |
7 | 29353 |
8 | 143181 |
9 | 699193 |
10 | 3434479 |
11 | 16889777 |
12 | 83336909 |
13 | 411613143 |
14 | 2037184517 |
15 | 10091009051 |
16 | 50051745221 |
17 | 248426942387 |
18 | 1234175744599 |
19 | 6134692833341 |
20 | 30513666460305 |
21 | 151840379791795 |
22 | 755948217025833 |
23 | 3764882415978347 |
24 | 18757386744070867 |
25 | 93480023140520929 |
[1,3,13,57,269,1263,6087,29353,143181,699193, 3434479,16889777,83336909,411613143,2037184517, 10091009051,50051745221,248426942387, 1234175744599,6134692833341,30513666460305, 151840379791795,755948217025833,3764882415978347, 18757386744070867,93480023140520929] |