n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 17 |
3 | 49 |
4 | 125 |
5 | 297 |
6 | 669 |
7 | 1457 |
8 | 3093 |
9 | 6457 |
10 | 13309 |
11 | 27201 |
12 | 55237 |
13 | 111689 |
14 | 225101 |
15 | 452689 |
16 | 908885 |
17 | 1822809 |
18 | 3652701 |
19 | 7315553 |
20 | 14645349 |
21 | 29311081 |
22 | 58650733 |
23 | 117342321 |
24 | 234741877 |
25 | 469565561 |
26 | 939245693 |
27 | 1878655105 |
28 | 3757539461 |
29 | 7515406473 |
30 | 15031271565 |
[1,5,17,49,125,297,669,1457,3093,6457,13309,27201, 55237,111689,225101,452689,908885,1822809,3652701, 7315553,14645349,29311081,58650733,117342321, 234741877,469565561,939245693,1878655105, 3757539461,7515406473,15031271565] |