n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 37 |
4 | 210 |
5 | 1575 |
6 | 14943 |
7 | 173109 |
8 | 2381814 |
9 | 38087355 |
10 | 695745075 |
11 | 14317460370 |
12 | 328142173159 |
13 | 8296618775100 |
14 | 229557238129530 |
15 | 6903176055689085 |
16 | 224285333475911340 |
17 | 7832574292981396104 |
18 | 292678312428437482293 |
[1,3,9,37,210,1575,14943,173109,2381814,38087355, 695745075,14317460370,328142173159,8296618775100, 229557238129530,6903176055689085, 224285333475911340,7832574292981396104, 292678312428437482293] |