n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 17 |
4 | 89 |
5 | 225 |
6 | 937 |
7 | 2737 |
8 | 10233 |
9 | 32129 |
10 | 113993 |
11 | 371025 |
12 | 1282969 |
13 | 4251169 |
14 | 14514921 |
15 | 48524273 |
16 | 164643641 |
17 | 552837825 |
18 | 1869986953 |
19 | 6292689553 |
20 | 21252585177 |
21 | 71594101601 |
22 | 241614783017 |
23 | 814367595825 |
24 | 2747285859961 |
[1,1,9,17,89,225,937,2737,10233,32129,113993, 371025,1282969,4251169,14514921,48524273, 164643641,552837825,1869986953,6292689553, 21252585177,71594101601,241614783017,814367595825, 2747285859961] |