n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 9 |
5 | 9 |
6 | 75 |
7 | 225 |
8 | 1225 |
9 | 1225 |
10 | 19845 |
11 | 99225 |
12 | 160083 |
13 | 480249 |
14 | 1288287 |
15 | 3006003 |
16 | 41409225 |
17 | 41409225 |
18 | 1329696225 |
19 | 11967266025 |
20 | 10667118605 |
21 | 53335593025 |
22 | 85530896451 |
23 | 940839860961 |
24 | 1371086188563 |
25 | 4113258565689 |
26 | 21972535073125 |
27 | 285642955950625 |
28 | 176021737014375 |
[1,1,1,9,9,75,225,1225,1225,19845,99225,160083, 480249,1288287,3006003,41409225,41409225, 1329696225,11967266025,10667118605,53335593025, 85530896451,940839860961,1371086188563, 4113258565689,21972535073125,285642955950625, 176021737014375] |