n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 69 |
3 | 398 |
4 | 2057 |
5 | 9858 |
6 | 44685 |
7 | 194022 |
8 | 813969 |
9 | 3319866 |
10 | 13224789 |
11 | 51635070 |
12 | 198148761 |
13 | 749016882 |
14 | 2794021533 |
15 | 10300389462 |
16 | 37575535905 |
17 | 135782112618 |
18 | 486470994021 |
19 | 1729358969454 |
20 | 6104068084521 |
21 | 21404982017250 |
22 | 74609825192109 |
[1,10,69,398,2057,9858,44685,194022,813969, 3319866,13224789,51635070,198148761,749016882, 2794021533,10300389462,37575535905,135782112618, 486470994021,1729358969454,6104068084521, 21404982017250,74609825192109] |