n | a(n) |
---|---|
1 | 1 |
2 | 19 |
3 | 205 |
4 | 1795 |
5 | 14221 |
6 | 106819 |
7 | 778765 |
8 | 5581315 |
9 | 39606541 |
10 | 279447619 |
11 | 1965098125 |
12 | 13792018435 |
13 | 96690872461 |
14 | 677427332419 |
15 | 4744368982285 |
16 | 33220131761155 |
17 | 232579232659981 |
18 | 1628208214321219 |
19 | 11398072876175245 |
20 | 79788974736297475 |
21 | 558532690864457101 |
[1,19,205,1795,14221,106819,778765,5581315, 39606541,279447619,1965098125,13792018435, 96690872461,677427332419,4744368982285, 33220131761155,232579232659981,1628208214321219, 11398072876175245,79788974736297475, 558532690864457101] |