n | a(n) |
---|---|
2 | 7 |
3 | 75 |
4 | 385 |
5 | 1365 |
6 | 3850 |
7 | 9282 |
8 | 19950 |
9 | 39270 |
10 | 72105 |
11 | 125125 |
12 | 207207 |
13 | 329875 |
14 | 507780 |
15 | 759220 |
16 | 1106700 |
17 | 1577532 |
18 | 2204475 |
19 | 3026415 |
20 | 4089085 |
21 | 5445825 |
22 | 7158382 |
23 | 9297750 |
24 | 11945050 |
25 | 15192450 |
26 | 19144125 |
27 | 23917257 |
[7,75,385,1365,3850,9282,19950,39270,72105,125125, 207207,329875,507780,759220,1106700,1577532, 2204475,3026415,4089085,5445825,7158382,9297750, 11945050,15192450,19144125,23917257] |