n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 6 |
3 | 12 |
4 | 24 |
5 | 40 |
6 | 84 |
7 | 140 |
8 | 288 |
9 | 540 |
10 | 1080 |
11 | 2068 |
12 | 4224 |
13 | 8216 |
14 | 16548 |
15 | 32880 |
16 | 65856 |
17 | 131104 |
18 | 262836 |
19 | 524324 |
20 | 1049760 |
21 | 2097480 |
22 | 4196412 |
23 | 8388652 |
24 | 16782048 |
25 | 33554600 |
26 | 67117128 |
27 | 134218836 |
28 | 268452240 |
29 | 536870968 |
30 | 1073777040 |
31 | 2147483708 |
32 | 4295033472 |
33 | 8589938808 |
[0,2,6,12,24,40,84,140,288,540,1080,2068,4224, 8216,16548,32880,65856,131104,262836,524324, 1049760,2097480,4196412,8388652,16782048,33554600, 67117128,134218836,268452240,536870968,1073777040, 2147483708,4295033472,8589938808] |