n | a(n) |
---|---|
0 | 0 |
1 | 6 |
2 | 52 |
3 | 411 |
4 | 3392 |
5 | 30070 |
6 | 287802 |
7 | 2969267 |
8 | 32902560 |
9 | 389989449 |
10 | 4924511300 |
11 | 65995764461 |
12 | 935412316380 |
13 | 13978234748257 |
14 | 219593721606826 |
15 | 3617245945896600 |
16 | 62330776215811680 |
17 | 1121143456571006754 |
18 | 21008889235589947362 |
[0,6,52,411,3392,30070,287802,2969267,32902560, 389989449,4924511300,65995764461,935412316380, 13978234748257,219593721606826,3617245945896600, 62330776215811680,1121143456571006754, 21008889235589947362] |