n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 37 |
3 | 234 |
4 | 1513 |
5 | 9966 |
6 | 66637 |
7 | 450834 |
8 | 3077713 |
9 | 21153366 |
10 | 146120437 |
11 | 1013077434 |
12 | 7042713913 |
13 | 49054856766 |
14 | 342163294237 |
15 | 2389039544034 |
16 | 16692759230113 |
17 | 116696726720166 |
18 | 816114147588037 |
19 | 5708984335850634 |
[1,6,37,234,1513,9966,66637,450834,3077713, 21153366,146120437,1013077434,7042713913, 49054856766,342163294237,2389039544034, 16692759230113,116696726720166,816114147588037, 5708984335850634] |