n | a(n) |
---|---|
1 | 5 |
2 | 25 |
3 | 125 |
4 | 615 |
5 | 2995 |
6 | 14455 |
7 | 69235 |
8 | 329430 |
9 | 1558430 |
10 | 7334806 |
11 | 34364270 |
12 | 160340610 |
13 | 745362730 |
14 | 3453222850 |
15 | 15949215754 |
16 | 73454841775 |
17 | 337413819915 |
18 | 1546145183895 |
19 | 7068979186035 |
20 | 32251365241137 |
21 | 146853223312325 |
22 | 667445619383425 |
[5,25,125,615,2995,14455,69235,329430,1558430, 7334806,34364270,160340610,745362730,3453222850, 15949215754,73454841775,337413819915, 1546145183895,7068979186035,32251365241137, 146853223312325,667445619383425] |