n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 20 |
4 | 209 |
5 | 3173 |
6 | 67292 |
7 | 1970761 |
8 | 79764057 |
9 | 4490097388 |
10 | 354111363537 |
11 | 39360693851404 |
12 | 6193012446752244 |
13 | 1383433132321835172 |
14 | 439684769985895688173 |
15 | 199116777197880585373014 |
16 | 128631139424158036273736167 |
17 | 118640007280899188486618513612 |
[1,1,3,20,209,3173,67292,1970761,79764057, 4490097388,354111363537,39360693851404, 6193012446752244,1383433132321835172, 439684769985895688173,199116777197880585373014, 128631139424158036273736167, 118640007280899188486618513612] |