n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 41 |
4 | 161 |
5 | 633 |
6 | 2457 |
7 | 9415 |
8 | 35663 |
9 | 133721 |
10 | 497025 |
11 | 1833499 |
12 | 6719707 |
13 | 24488183 |
14 | 88798775 |
15 | 320596441 |
16 | 1152996137 |
17 | 4132351481 |
18 | 14764629473 |
19 | 52606224267 |
20 | 186963146315 |
21 | 662947211163 |
22 | 2345810793755 |
23 | 8284654896229 |
[1,3,11,41,161,633,2457,9415,35663,133721,497025, 1833499,6719707,24488183,88798775,320596441, 1152996137,4132351481,14764629473,52606224267, 186963146315,662947211163,2345810793755, 8284654896229] |