n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 17 |
3 | 49 |
4 | 353 |
5 | 1441 |
6 | 8177 |
7 | 37969 |
8 | 198593 |
9 | 966721 |
10 | 4912337 |
11 | 24325489 |
12 | 122336033 |
13 | 609554401 |
14 | 3054149297 |
15 | 15251614609 |
16 | 76315468673 |
17 | 381405156481 |
18 | 1907542343057 |
19 | 9536162033329 |
20 | 47685459212513 |
21 | 238413348924961 |
22 | 1192108586037617 |
23 | 5960417405949649 |
[1,1,17,49,353,1441,8177,37969,198593,966721, 4912337,24325489,122336033,609554401,3054149297, 15251614609,76315468673,381405156481, 1907542343057,9536162033329,47685459212513, 238413348924961,1192108586037617,5960417405949649] |