n | a(n) |
---|---|
1 | 3 |
2 | 6 |
3 | 19 |
4 | 44 |
5 | 136 |
6 | 376 |
7 | 1061 |
8 | 2985 |
9 | 8431 |
10 | 24009 |
11 | 67983 |
12 | 193359 |
13 | 549697 |
14 | 1563545 |
15 | 4446173 |
16 | 12650545 |
17 | 35999714 |
18 | 102439796 |
19 | 291532841 |
20 | 829634988 |
21 | 2360947327 |
22 | 6719171580 |
23 | 19122499510 |
24 | 54423038535 |
25 | 154888366195 |
[3,6,19,44,136,376,1061,2985,8431,24009,67983, 193359,549697,1563545,4446173,12650545,35999714, 102439796,291532841,829634988,2360947327, 6719171580,19122499510,54423038535,154888366195] |