n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 45 |
3 | 900 |
4 | 19305 |
5 | 437076 |
6 | 10254681 |
7 | 246553875 |
8 | 6035226975 |
9 | 149777902710 |
10 | 3757716928053 |
11 | 95110270281675 |
12 | 2424907723685985 |
13 | 62204709603345075 |
14 | 1604054030028748830 |
15 | 41549974064592136020 |
16 | 1080505644116115671622 |
17 | 28195636842752845510215 |
18 | 738014045325584817820275 |
[1,3,45,900,19305,437076,10254681,246553875, 6035226975,149777902710,3757716928053, 95110270281675,2424907723685985,62204709603345075, 1604054030028748830,41549974064592136020, 1080505644116115671622,28195636842752845510215, 738014045325584817820275] |