n | a(n) |
---|---|
1 | 7 |
2 | 61 |
3 | 481 |
4 | 3843 |
5 | 30719 |
6 | 245509 |
7 | 1962145 |
8 | 15681787 |
9 | 125331399 |
10 | 1001668973 |
11 | 8005501761 |
12 | 63981275411 |
13 | 511348785535 |
14 | 4086782871861 |
15 | 32662235081409 |
16 | 261041908504267 |
17 | 2086289496897799 |
18 | 16673965838688029 |
19 | 133261053752673313 |
[7,61,481,3843,30719,245509,1962145,15681787, 125331399,1001668973,8005501761,63981275411, 511348785535,4086782871861,32662235081409, 261041908504267,2086289496897799, 16673965838688029,133261053752673313] |