n | a(n) |
---|---|
0 | 1 |
1 | 19 |
2 | 235 |
3 | 2415 |
4 | 22491 |
5 | 197799 |
6 | 1679875 |
7 | 13959055 |
8 | 114403531 |
9 | 929407479 |
10 | 7508252115 |
11 | 60439364895 |
12 | 485415209371 |
13 | 3892957335559 |
14 | 31192373841955 |
15 | 249784713973935 |
16 | 1999514917852011 |
17 | 16002339732726039 |
18 | 128049957250049395 |
19 | 1024556404696890175 |
20 | 8197237170079803451 |
[1,19,235,2415,22491,197799,1679875,13959055, 114403531,929407479,7508252115,60439364895, 485415209371,3892957335559,31192373841955, 249784713973935,1999514917852011, 16002339732726039,128049957250049395, 1024556404696890175,8197237170079803451] |