n | a(n) |
---|---|
9 | 8280 |
10 | 29874 |
11 | 117488 |
12 | 495408 |
13 | 2215148 |
14 | 10419024 |
15 | 51235748 |
16 | 262138728 |
17 | 1389893708 |
18 | 7611839904 |
19 | 42937377908 |
20 | 248865777048 |
21 | 1478955826268 |
22 | 8994703967184 |
23 | 55889046456068 |
24 | 354251342263368 |
25 | 2287372272350828 |
26 | 15026157296580864 |
27 | 100307242528430228 |
28 | 679694909468957688 |
[8280,29874,117488,495408,2215148,10419024, 51235748,262138728,1389893708,7611839904, 42937377908,248865777048,1478955826268, 8994703967184,55889046456068,354251342263368, 2287372272350828,15026157296580864, 100307242528430228,679694909468957688] |