n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 56 |
4 | 178 |
5 | 669 |
6 | 2615 |
7 | 9573 |
8 | 35581 |
9 | 133149 |
10 | 495719 |
11 | 1845526 |
12 | 6880247 |
13 | 25634622 |
14 | 95503501 |
15 | 355868278 |
16 | 1325975629 |
17 | 4940513437 |
18 | 18408548266 |
19 | 68590644744 |
20 | 255569164599 |
21 | 952255335447 |
22 | 3548119872982 |
23 | 13220347086909 |
24 | 49259228193957 |
[1,16,56,178,669,2615,9573,35581,133149,495719, 1845526,6880247,25634622,95503501,355868278, 1325975629,4940513437,18408548266,68590644744, 255569164599,952255335447,3548119872982, 13220347086909,49259228193957] |