n | a(n) |
---|---|
1 | 21 |
2 | 203 |
3 | 94 |
4 | 1086 |
5 | 6236 |
6 | 11175 |
7 | 111137 |
8 | 644056 |
9 | 3190955 |
10 | 27151266 |
11 | 182045025 |
12 | 1280285105 |
13 | 10257252946 |
14 | 75063403838 |
15 | 571967578126 |
16 | 4496402709938 |
17 | 34098604190424 |
18 | 264284131602151 |
19 | 2063855052770201 |
20 | 15872082370425994 |
[21,203,94,1086,6236,11175,111137,644056,3190955, 27151266,182045025,1280285105,10257252946, 75063403838,571967578126,4496402709938, 34098604190424,264284131602151,2063855052770201, 15872082370425994] |