n | a(n) |
---|---|
0 | 3 |
1 | 10 |
2 | 33 |
3 | 109 |
4 | 360 |
5 | 1189 |
6 | 3927 |
7 | 12970 |
8 | 42837 |
9 | 141481 |
10 | 467280 |
11 | 1543321 |
12 | 5097243 |
13 | 16835050 |
14 | 55602393 |
15 | 183642229 |
16 | 606529080 |
17 | 2003229469 |
18 | 6616217487 |
19 | 21851881930 |
20 | 72171863277 |
21 | 238367471761 |
22 | 787274278560 |
23 | 2600190307441 |
24 | 8587845200883 |
25 | 28363725910090 |
[3,10,33,109,360,1189,3927,12970,42837,141481, 467280,1543321,5097243,16835050,55602393, 183642229,606529080,2003229469,6616217487, 21851881930,72171863277,238367471761,787274278560, 2600190307441,8587845200883,28363725910090] |