n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 22 |
3 | 157 |
4 | 1291 |
5 | 11497 |
6 | 107725 |
7 | 1045948 |
8 | 10428178 |
9 | 106126924 |
10 | 1097913928 |
11 | 11511677470 |
12 | 122057782762 |
13 | 1306480339462 |
14 | 14098243951822 |
15 | 153208673236237 |
16 | 1675240428936307 |
17 | 18417589741637077 |
18 | 203464608460961377 |
[1,4,22,157,1291,11497,107725,1045948,10428178, 106126924,1097913928,11511677470,122057782762, 1306480339462,14098243951822,153208673236237, 1675240428936307,18417589741637077, 203464608460961377] |