n | a(n) |
---|---|
1 | 4 |
2 | 44 |
3 | 324 |
4 | 2456 |
5 | 18606 |
6 | 141464 |
7 | 1073265 |
8 | 8150889 |
9 | 61863941 |
10 | 469706074 |
11 | 3565661822 |
12 | 27070430317 |
13 | 205508452073 |
14 | 1560178900248 |
15 | 11844428071293 |
16 | 89919992489163 |
17 | 682648660439116 |
18 | 5182493876535532 |
19 | 39344142007624031 |
[4,44,324,2456,18606,141464,1073265,8150889, 61863941,469706074,3565661822,27070430317, 205508452073,1560178900248,11844428071293, 89919992489163,682648660439116,5182493876535532, 39344142007624031] |