n | a(n) |
---|---|
1 | 3 |
2 | 6 |
3 | 18 |
4 | 30 |
5 | 78 |
6 | 126 |
7 | 318 |
8 | 510 |
9 | 1278 |
10 | 2046 |
11 | 5118 |
12 | 8190 |
13 | 20478 |
14 | 32766 |
15 | 81918 |
16 | 131070 |
17 | 327678 |
18 | 524286 |
19 | 1310718 |
20 | 2097150 |
21 | 5242878 |
22 | 8388606 |
23 | 20971518 |
24 | 33554430 |
25 | 83886078 |
26 | 134217726 |
27 | 335544318 |
28 | 536870910 |
29 | 1342177278 |
30 | 2147483646 |
31 | 5368709118 |
32 | 8589934590 |
[3,6,18,30,78,126,318,510,1278,2046,5118,8190, 20478,32766,81918,131070,327678,524286,1310718, 2097150,5242878,8388606,20971518,33554430, 83886078,134217726,335544318,536870910,1342177278, 2147483646,5368709118,8589934590] |