n | a(n) |
---|---|
1 | 56 |
2 | 228 |
3 | 932 |
4 | 3736 |
5 | 15512 |
6 | 62040 |
7 | 242264 |
8 | 969136 |
9 | 3985840 |
10 | 15943080 |
11 | 62096808 |
12 | 248388496 |
13 | 1021909904 |
14 | 4087635248 |
15 | 15883066672 |
16 | 63532285248 |
17 | 261545377088 |
18 | 1046181434696 |
19 | 4065904153928 |
20 | 16263616920064 |
21 | 66960253254144 |
[56,228,932,3736,15512,62040,242264,969136, 3985840,15943080,62096808,248388496,1021909904, 4087635248,15883066672,63532285248,261545377088, 1046181434696,4065904153928,16263616920064, 66960253254144] |