n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 7 |
4 | 25 |
5 | 27 |
6 | 91 |
7 | 231 |
8 | 455 |
9 | 1135 |
10 | 2693 |
11 | 6041 |
12 | 14257 |
13 | 33349 |
14 | 76941 |
15 | 179553 |
16 | 418345 |
17 | 971503 |
18 | 2261807 |
19 | 5264419 |
20 | 12243481 |
21 | 28490729 |
22 | 66295633 |
23 | 154236017 |
24 | 358872825 |
25 | 835013523 |
26 | 1942797397 |
27 | 4520363539 |
28 | 10517663443 |
29 | 24471508585 |
30 | 56938341019 |
[1,1,7,25,27,91,231,455,1135,2693,6041,14257, 33349,76941,179553,418345,971503,2261807,5264419, 12243481,28490729,66295633,154236017,358872825, 835013523,1942797397,4520363539,10517663443, 24471508585,56938341019] |