n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 87 |
4 | 1544 |
5 | 30669 |
6 | 652387 |
7 | 14535220 |
8 | 334846575 |
9 | 7911062633 |
10 | 190635605270 |
11 | 4667362377021 |
12 | 115772752576351 |
13 | 2903222873038115 |
14 | 73481220638826204 |
15 | 1874686187998433232 |
16 | 48159602555272931592 |
17 | 1244712958804985611455 |
18 | 32343121686417402278602 |
19 | 844434166911645229308309 |
[1,1,6,87,1544,30669,652387,14535220,334846575, 7911062633,190635605270,4667362377021, 115772752576351,2903222873038115, 73481220638826204,1874686187998433232, 48159602555272931592,1244712958804985611455, 32343121686417402278602,844434166911645229308309] |