n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 11 |
4 | 35 |
5 | 98 |
6 | 294 |
7 | 832 |
8 | 2401 |
9 | 6774 |
10 | 19137 |
11 | 53466 |
12 | 148994 |
13 | 412233 |
14 | 1136383 |
15 | 3116654 |
16 | 8515706 |
17 | 23172455 |
18 | 62836916 |
19 | 169801824 |
20 | 457406173 |
21 | 1228382159 |
22 | 3289493887 |
23 | 8784935160 |
24 | 23400668297 |
25 | 62179339101 |
26 | 164832960183 |
27 | 435978612329 |
28 | 1150673925933 |
29 | 3030701471118 |
[1,4,11,35,98,294,832,2401,6774,19137,53466, 148994,412233,1136383,3116654,8515706,23172455, 62836916,169801824,457406173,1228382159, 3289493887,8784935160,23400668297,62179339101, 164832960183,435978612329,1150673925933, 3030701471118] |