n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 78 |
4 | 918 |
5 | 12846 |
6 | 209616 |
7 | 3909228 |
8 | 81859548 |
9 | 1897344828 |
10 | 48135826656 |
11 | 1325008302696 |
12 | 39292978029768 |
13 | 1247949491330088 |
14 | 42236558731574208 |
15 | 1516738194700667856 |
16 | 57573649342673292816 |
17 | 2302425590703685075728 |
18 | 96720470167595138898048 |
[1,1,8,78,918,12846,209616,3909228,81859548, 1897344828,48135826656,1325008302696, 39292978029768,1247949491330088,42236558731574208, 1516738194700667856,57573649342673292816, 2302425590703685075728,96720470167595138898048] |