n | a(n) |
---|---|
0 | 1 |
1 | 648 |
2 | 76944 |
3 | 3606552 |
4 | 92254752 |
5 | 1517839528 |
6 | 17771425968 |
7 | 158653947960 |
8 | 1135368605760 |
9 | 6763054299848 |
10 | 34524214599888 |
11 | 154547837078616 |
12 | 617961291102816 |
13 | 2240354586911976 |
14 | 7455344983121136 |
15 | 23006210441555064 |
16 | 66398861187469440 |
17 | 180530346417898248 |
[1,648,76944,3606552,92254752,1517839528, 17771425968,158653947960,1135368605760, 6763054299848,34524214599888,154547837078616, 617961291102816,2240354586911976,7455344983121136, 23006210441555064,66398861187469440, 180530346417898248] |