n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 27 |
5 | 75 |
6 | 225 |
7 | 651 |
8 | 1947 |
9 | 5661 |
10 | 15753 |
11 | 44497 |
12 | 128325 |
13 | 357339 |
14 | 1025029 |
15 | 2881677 |
16 | 8152327 |
17 | 22251081 |
18 | 62981541 |
19 | 175699737 |
20 | 491888331 |
21 | 1353494089 |
22 | 3827528649 |
23 | 10655040429 |
24 | 29413393659 |
25 | 80737582089 |
26 | 226955441541 |
27 | 626061311481 |
28 | 1745916338341 |
29 | 4826531920159 |
30 | 13166998285539 |
[1,3,9,27,75,225,651,1947,5661,15753,44497,128325, 357339,1025029,2881677,8152327,22251081,62981541, 175699737,491888331,1353494089,3827528649, 10655040429,29413393659,80737582089,226955441541, 626061311481,1745916338341,4826531920159, 13166998285539] |