n | a(n) |
---|---|
0 | 1 |
1 | 61 |
2 | 1441 |
3 | 17861 |
4 | 142001 |
5 | 819005 |
6 | 3713305 |
7 | 13980205 |
8 | 45432805 |
9 | 131091505 |
10 | 342981013 |
11 | 826861993 |
12 | 1859914733 |
13 | 3942293993 |
14 | 7937011013 |
15 | 15276834025 |
16 | 28261896025 |
17 | 50477521525 |
18 | 87368496025 |
19 | 147013666525 |
20 | 241153442041 |
21 | 386532523301 |
22 | 606631094081 |
23 | 933869816501 |
[1,61,1441,17861,142001,819005,3713305,13980205, 45432805,131091505,342981013,826861993,1859914733, 3942293993,7937011013,15276834025,28261896025, 50477521525,87368496025,147013666525,241153442041, 386532523301,606631094081,933869816501] |