n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 23 |
4 | 176 |
5 | 563 |
6 | 6508 |
7 | 88069 |
8 | 91072 |
9 | 1593269 |
10 | 31037876 |
11 | 31730711 |
12 | 744355888 |
13 | 3788707301 |
14 | 11552032628 |
15 | 340028535787 |
16 | 10686452707072 |
17 | 10823198495797 |
18 | 10952130239452 |
19 | 409741429887649 |
20 | 414022624965424 |
21 | 17141894231615609 |
22 | 743947082888833412 |
23 | 750488463554668427 |
[1,4,23,176,563,6508,88069,91072,1593269,31037876, 31730711,744355888,3788707301,11552032628, 340028535787,10686452707072,10823198495797, 10952130239452,409741429887649,414022624965424, 17141894231615609,743947082888833412, 750488463554668427] |