n | a(n) |
---|---|
1 | 3 |
2 | 13 |
3 | 43 |
4 | 412 |
5 | 1919 |
6 | 18842 |
7 | 105367 |
8 | 983238 |
9 | 6123441 |
10 | 54284366 |
11 | 362590384 |
12 | 3094974718 |
13 | 21686456978 |
14 | 180282797672 |
15 | 1306154902037 |
16 | 10663354100162 |
17 | 79101065751066 |
18 | 637908191485185 |
19 | 4812317630514559 |
20 | 38492627004755585 |
[3,13,43,412,1919,18842,105367,983238,6123441, 54284366,362590384,3094974718,21686456978, 180282797672,1306154902037,10663354100162, 79101065751066,637908191485185,4812317630514559, 38492627004755585] |