n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 9 |
4 | 14 |
5 | 46 |
6 | 81 |
7 | 209 |
8 | 389 |
9 | 901 |
10 | 1726 |
11 | 3774 |
12 | 7349 |
13 | 15541 |
14 | 30561 |
15 | 63329 |
16 | 125294 |
17 | 256366 |
18 | 509161 |
19 | 1033449 |
20 | 2057549 |
21 | 4154701 |
22 | 8284926 |
23 | 16673534 |
24 | 33282989 |
25 | 66837421 |
26 | 133507081 |
27 | 267724809 |
28 | 535010414 |
29 | 1071881326 |
30 | 2142612801 |
[1,1,9,14,46,81,209,389,901,1726,3774,7349,15541, 30561,63329,125294,256366,509161,1033449,2057549, 4154701,8284926,16673534,33282989,66837421, 133507081,267724809,535010414,1071881326, 2142612801] |