n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 55 |
5 | 377 |
6 | 4291 |
7 | 60028 |
8 | 1058058 |
9 | 21552969 |
10 | 500280022 |
11 | 12969598086 |
12 | 371514016094 |
13 | 11649073935505 |
14 | 396857785692525 |
15 | 14596464294191704 |
16 | 576460770691256356 |
17 | 24330595997127372497 |
18 | 1092955780817066765469 |
19 | 52063675152021153895330 |
20 | 2621440000054016000176044 |
[1,3,10,55,377,4291,60028,1058058,21552969, 500280022,12969598086,371514016094,11649073935505, 396857785692525,14596464294191704, 576460770691256356,24330595997127372497, 1092955780817066765469,52063675152021153895330, 2621440000054016000176044] |