n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 55 |
3 | 905 |
4 | 19855 |
5 | 544505 |
6 | 17919055 |
7 | 687978905 |
8 | 30187495855 |
9 | 1490155456505 |
10 | 81732269223055 |
11 | 4931150091426905 |
12 | 324557348772511855 |
13 | 23141780973332248505 |
14 | 1776997406800302687055 |
15 | 146197529083891406394905 |
[1,5,55,905,19855,544505,17919055,687978905, 30187495855,1490155456505,81732269223055, 4931150091426905,324557348772511855, 23141780973332248505,1776997406800302687055, 146197529083891406394905] |