n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 16 |
5 | 36 |
6 | 447 |
7 | 1274 |
8 | 9443 |
9 | 54094 |
10 | 995169 |
11 | 3013040 |
12 | 79403971 |
13 | 244277081 |
14 | 5853252222 |
15 | 171545158710 |
16 | 2586069434760 |
17 | 8747524457442 |
18 | 290539678831816 |
19 | 1002826545775653 |
20 | 37782799964911391 |
21 | 1405277934671848125 |
22 | 53429557586727235246 |
23 | 189496067102901557686 |
[1,2,4,16,36,447,1274,9443,54094,995169,3013040, 79403971,244277081,5853252222,171545158710, 2586069434760,8747524457442,290539678831816, 1002826545775653,37782799964911391, 1405277934671848125,53429557586727235246, 189496067102901557686] |