n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 151 |
4 | 502 |
5 | 2719 |
6 | 11341 |
7 | 82549 |
8 | 396787 |
9 | 2346541 |
10 | 11876657 |
11 | 70286741 |
12 | 374560274 |
13 | 2145325624 |
14 | 11643190391 |
15 | 66070482072 |
16 | 363830683327 |
17 | 2050031109245 |
18 | 11362362156585 |
19 | 63803460702931 |
20 | 355097907791024 |
21 | 1990234603016555 |
[1,6,151,502,2719,11341,82549,396787,2346541, 11876657,70286741,374560274,2145325624, 11643190391,66070482072,363830683327, 2050031109245,11362362156585,63803460702931, 355097907791024,1990234603016555] |