n | a(n) |
---|---|
0 | 5 |
1 | 30 |
2 | 110 |
3 | 315 |
4 | 771 |
5 | 1688 |
6 | 3396 |
7 | 6390 |
8 | 11385 |
9 | 19382 |
10 | 31746 |
11 | 50297 |
12 | 77415 |
13 | 116160 |
14 | 170408 |
15 | 245004 |
16 | 345933 |
17 | 480510 |
18 | 657590 |
19 | 887799 |
20 | 1183787 |
21 | 1560504 |
22 | 2035500 |
23 | 2629250 |
24 | 3365505 |
25 | 4271670 |
26 | 5379210 |
27 | 6724085 |
28 | 8347215 |
[5,30,110,315,771,1688,3396,6390,11385,19382, 31746,50297,77415,116160,170408,245004,345933, 480510,657590,887799,1183787,1560504,2035500, 2629250,3365505,4271670,5379210,6724085,8347215] |