n | a(n) |
---|---|
1 | 2 |
2 | 50 |
3 | 325 |
4 | 1105 |
5 | 5525 |
6 | 27625 |
7 | 71825 |
8 | 138125 |
9 | 160225 |
10 | 801125 |
11 | 2082925 |
12 | 4005625 |
13 | 5928325 |
14 | 29641625 |
15 | 77068225 |
16 | 148208125 |
17 | 243061325 |
18 | 1215306625 |
19 | 3159797225 |
20 | 6076533125 |
21 | 12882250225 |
22 | 53716552825 |
23 | 64411251125 |
24 | 167469252925 |
25 | 322056255625 |
26 | 785817263725 |
[2,50,325,1105,5525,27625,71825,138125,160225, 801125,2082925,4005625,5928325,29641625,77068225, 148208125,243061325,1215306625,3159797225, 6076533125,12882250225,53716552825,64411251125, 167469252925,322056255625,785817263725] |