n | a(n) |
---|---|
1 | 21 |
2 | 127 |
3 | 91 |
4 | 264 |
5 | 731 |
6 | 2073 |
7 | 6750 |
8 | 23642 |
9 | 80209 |
10 | 281982 |
11 | 1002046 |
12 | 3608377 |
13 | 12962477 |
14 | 46720095 |
15 | 168772741 |
16 | 610745581 |
17 | 2209961264 |
18 | 8001134385 |
19 | 28984697206 |
20 | 105018572887 |
21 | 380523339190 |
22 | 1378930510442 |
23 | 4997467621045 |
24 | 18112318334850 |
[21,127,91,264,731,2073,6750,23642,80209,281982, 1002046,3608377,12962477,46720095,168772741, 610745581,2209961264,8001134385,28984697206, 105018572887,380523339190,1378930510442, 4997467621045,18112318334850] |