n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 36 |
5 | 105 |
6 | 359 |
7 | 1206 |
8 | 4067 |
9 | 14822 |
10 | 52823 |
11 | 192009 |
12 | 724475 |
13 | 2688197 |
14 | 10212299 |
15 | 39371249 |
16 | 150595178 |
17 | 587964607 |
18 | 2302876044 |
19 | 9017714047 |
20 | 35830596795 |
21 | 142208608418 |
22 | 566950728006 |
23 | 2279733680236 |
24 | 9155169681193 |
25 | 36992776831504 |
26 | 150085692169723 |
27 | 609053481684281 |
28 | 2485541205785126 |
[1,2,4,12,36,105,359,1206,4067,14822,52823,192009, 724475,2688197,10212299,39371249,150595178, 587964607,2302876044,9017714047,35830596795, 142208608418,566950728006,2279733680236, 9155169681193,36992776831504,150085692169723, 609053481684281,2485541205785126] |