n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 4 |
9 | 7 |
10 | 13 |
11 | 25 |
12 | 49 |
13 | 94 |
14 | 463 |
15 | 3691 |
16 | 51649 |
17 | 1342825 |
18 | 67140874 |
19 | 6378379789 |
20 | 2959568174113 |
21 | 10926725697533971 |
22 | 564365382277563803725 |
23 | 757844508822251885989584694 |
24 | 50882343436271211095738004051924943 |
[1,1,1,1,1,1,1,1,4,7,13,25,49,94,463,3691,51649, 1342825,67140874,6378379789,2959568174113, 10926725697533971,564365382277563803725, 757844508822251885989584694, 50882343436271211095738004051924943] |