n | a(n) |
---|---|
4 | 23 |
5 | 86 |
6 | 284 |
7 | 856 |
8 | 2416 |
9 | 6496 |
10 | 16832 |
11 | 42368 |
12 | 104192 |
13 | 251392 |
14 | 596992 |
15 | 1398784 |
16 | 3239936 |
17 | 7430144 |
18 | 16891904 |
19 | 38109184 |
20 | 85393408 |
21 | 190185472 |
22 | 421265408 |
23 | 928514048 |
24 | 2037383168 |
25 | 4452253696 |
26 | 9693036544 |
27 | 21030240256 |
28 | 45483032576 |
29 | 98079604736 |
30 | 210923159552 |
[23,86,284,856,2416,6496,16832,42368,104192, 251392,596992,1398784,3239936,7430144,16891904, 38109184,85393408,190185472,421265408,928514048, 2037383168,4452253696,9693036544,21030240256, 45483032576,98079604736,210923159552] |