n | a(n) |
---|---|
1 | 2 |
2 | 9 |
3 | 128 |
4 | 152 |
5 | 1033 |
6 | 4780 |
7 | 24903 |
8 | 113774 |
9 | 553807 |
10 | 2751427 |
11 | 13385323 |
12 | 64601708 |
13 | 318081207 |
14 | 1550881210 |
15 | 7598781154 |
16 | 37018138503 |
17 | 181198882339 |
18 | 884596380240 |
19 | 4326961466564 |
20 | 21126289404408 |
21 | 103287098681855 |
22 | 504482396779592 |
[2,9,128,152,1033,4780,24903,113774,553807, 2751427,13385323,64601708,318081207,1550881210, 7598781154,37018138503,181198882339,884596380240, 4326961466564,21126289404408,103287098681855, 504482396779592] |