n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 35 |
4 | 315 |
5 | 3455 |
6 | 44590 |
7 | 660665 |
8 | 11035095 |
9 | 204904830 |
10 | 4183174520 |
11 | 93055783320 |
12 | 2238954627848 |
13 | 57903797748386 |
14 | 1601122732128779 |
15 | 47120734323344439 |
16 | 1470076408565099152 |
17 | 48449426629560437576 |
18 | 1681560512531504058350 |
19 | 61293054886119796799892 |
[1,1,5,35,315,3455,44590,660665,11035095, 204904830,4183174520,93055783320,2238954627848, 57903797748386,1601122732128779,47120734323344439, 1470076408565099152,48449426629560437576, 1681560512531504058350,61293054886119796799892] |