n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 137 |
4 | 2929 |
5 | 80689 |
6 | 2722745 |
7 | 108817785 |
8 | 5028704865 |
9 | 263891635425 |
10 | 15505410046185 |
11 | 1008591244314345 |
12 | 71960155841683665 |
13 | 5587928499550175505 |
14 | 469183592107676627865 |
15 | 42356983967876631615705 |
16 | 4091474631070907136246465 |
17 | 421070307443746576367920065 |
[1,1,9,137,2929,80689,2722745,108817785, 5028704865,263891635425,15505410046185, 1008591244314345,71960155841683665, 5587928499550175505,469183592107676627865, 42356983967876631615705,4091474631070907136246465, 421070307443746576367920065] |