n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 41 |
4 | 154 |
5 | 581 |
6 | 2197 |
7 | 8317 |
8 | 31501 |
9 | 119338 |
10 | 452141 |
11 | 1713111 |
12 | 6490879 |
13 | 24593701 |
14 | 93184802 |
15 | 353074657 |
16 | 1337790401 |
17 | 5068852073 |
18 | 19205744921 |
19 | 72770053106 |
20 | 275723780329 |
21 | 1044710007771 |
22 | 3958378188707 |
23 | 14998188734897 |
[1,3,11,41,154,581,2197,8317,31501,119338,452141, 1713111,6490879,24593701,93184802,353074657, 1337790401,5068852073,19205744921,72770053106, 275723780329,1044710007771,3958378188707, 14998188734897] |