n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 10 |
6 | 28 |
7 | 48 |
8 | 116 |
9 | 224 |
10 | 480 |
11 | 920 |
12 | 2000 |
13 | 3840 |
14 | 7984 |
15 | 15936 |
16 | 32320 |
17 | 63968 |
18 | 130176 |
19 | 258304 |
20 | 521920 |
21 | 1041664 |
22 | 2089472 |
23 | 4171392 |
24 | 8377856 |
25 | 16726528 |
26 | 33509632 |
27 | 67004416 |
28 | 134129664 |
29 | 268111360 |
30 | 536705024 |
31 | 1072961536 |
32 | 2146941952 |
33 | 4293509120 |
34 | 8588414976 |
[0,1,2,6,10,28,48,116,224,480,920,2000,3840,7984, 15936,32320,63968,130176,258304,521920,1041664, 2089472,4171392,8377856,16726528,33509632, 67004416,134129664,268111360,536705024,1072961536, 2146941952,4293509120,8588414976] |