n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 27 |
5 | 72 |
6 | 216 |
7 | 612 |
8 | 1836 |
9 | 6381 |
10 | 19143 |
11 | 34191 |
12 | 102573 |
13 | 375201 |
14 | 1125603 |
15 | 3065211 |
16 | 9195633 |
17 | 27586899 |
18 | 99868572 |
19 | 299605716 |
20 | 617506992 |
21 | 1852520976 |
22 | 6790252581 |
23 | 20370757743 |
24 | 34775707302 |
25 | 104327121906 |
26 | 609121723401 |
27 | 1827365170203 |
28 | 3020715637281 |
29 | 9062146911843 |
[1,3,9,27,72,216,612,1836,6381,19143,34191,102573, 375201,1125603,3065211,9195633,27586899,99868572, 299605716,617506992,1852520976,6790252581, 20370757743,34775707302,104327121906,609121723401, 1827365170203,3020715637281,9062146911843] |