n | a(n) |
---|---|
0 | 1 |
1 | 66 |
2 | 1716 |
3 | 26026 |
4 | 273273 |
5 | 2186184 |
6 | 14158144 |
7 | 77364144 |
8 | 367479684 |
9 | 1551580888 |
10 | 5924217936 |
11 | 20734762776 |
12 | 67255063876 |
13 | 203982391536 |
14 | 582806832960 |
15 | 1578435172600 |
16 | 4073755482225 |
17 | 10064572367850 |
18 | 23896002230100 |
19 | 54709268263650 |
20 | 121141951155225 |
21 | 260114319363600 |
[1,66,1716,26026,273273,2186184,14158144,77364144, 367479684,1551580888,5924217936,20734762776, 67255063876,203982391536,582806832960, 1578435172600,4073755482225,10064572367850, 23896002230100,54709268263650,121141951155225, 260114319363600] |