n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 23 |
4 | 63 |
5 | 171 |
6 | 461 |
7 | 1247 |
8 | 3371 |
9 | 9111 |
10 | 24629 |
11 | 66575 |
12 | 179959 |
13 | 486451 |
14 | 1314933 |
15 | 3554415 |
16 | 9607995 |
17 | 25971519 |
18 | 70204013 |
19 | 189769551 |
20 | 512968999 |
21 | 1386614411 |
22 | 3748178797 |
23 | 10131759903 |
24 | 27387316427 |
25 | 74031077351 |
26 | 200114546757 |
27 | 540932717135 |
28 | 1462203568951 |
29 | 3952505014627 |
30 | 10684077253253 |
31 | 28880293973327 |
[1,3,9,23,63,171,461,1247,3371,9111,24629,66575, 179959,486451,1314933,3554415,9607995,25971519, 70204013,189769551,512968999,1386614411, 3748178797,10131759903,27387316427,74031077351, 200114546757,540932717135,1462203568951, 3952505014627,10684077253253,28880293973327] |