n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 90 |
3 | 1860 |
4 | 44730 |
5 | 1172556 |
6 | 32496156 |
7 | 936369720 |
8 | 27770358330 |
9 | 842090474940 |
10 | 25989269017140 |
11 | 813689707488840 |
12 | 25780447171287900 |
13 | 825043888527957000 |
14 | 26630804377937061000 |
15 | 865978374333905289360 |
16 | 28342398385058078078010 |
17 | 932905175625150142902300 |
[1,6,90,1860,44730,1172556,32496156,936369720, 27770358330,842090474940,25989269017140, 813689707488840,25780447171287900, 825043888527957000,26630804377937061000, 865978374333905289360,28342398385058078078010, 932905175625150142902300] |