n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 54 |
3 | 1360 |
4 | 41405 |
5 | 1404102 |
6 | 51126740 |
7 | 1957600876 |
8 | 77812428681 |
9 | 3183756066040 |
10 | 133302637049516 |
11 | 5687179333193904 |
12 | 246453229359401883 |
13 | 10821674290217357756 |
14 | 480561612716912592360 |
15 | 21549547977144582750304 |
16 | 974600584933918611940825 |
17 | 44409401763058366474029057 |
[1,3,54,1360,41405,1404102,51126740,1957600876, 77812428681,3183756066040,133302637049516, 5687179333193904,246453229359401883, 10821674290217357756,480561612716912592360, 21549547977144582750304,974600584933918611940825, 44409401763058366474029057] |