n | a(n) |
---|---|
0 | 6 |
1 | 21 |
2 | 91 |
3 | 441 |
4 | 2275 |
5 | 12201 |
6 | 67171 |
7 | 376761 |
8 | 2142595 |
9 | 12313161 |
10 | 71340451 |
11 | 415998681 |
12 | 2438235715 |
13 | 14350108521 |
14 | 84740914531 |
15 | 501790686201 |
16 | 2978035877635 |
17 | 17706908038281 |
18 | 105443761093411 |
19 | 628709267031321 |
20 | 3752628871164355 |
21 | 22418196307542441 |
22 | 134023513204581091 |
[6,21,91,441,2275,12201,67171,376761,2142595, 12313161,71340451,415998681,2438235715, 14350108521,84740914531,501790686201, 2978035877635,17706908038281,105443761093411, 628709267031321,3752628871164355, 22418196307542441,134023513204581091] |