n | a(n) |
---|---|
1 | 453 |
2 | 1889 |
3 | 7769 |
4 | 31465 |
5 | 128649 |
6 | 525041 |
7 | 2141609 |
8 | 8740385 |
9 | 35666177 |
10 | 145538749 |
11 | 593901081 |
12 | 2423511809 |
13 | 9889552885 |
14 | 40356071813 |
15 | 164679993617 |
16 | 672005573917 |
17 | 2742236755101 |
18 | 11190178304945 |
19 | 45663487141625 |
20 | 186337877072653 |
[453,1889,7769,31465,128649,525041,2141609, 8740385,35666177,145538749,593901081,2423511809, 9889552885,40356071813,164679993617,672005573917, 2742236755101,11190178304945,45663487141625, 186337877072653] |