n | a(n) |
---|---|
1 | 7 |
2 | 49 |
3 | 245 |
4 | 1078 |
5 | 4459 |
6 | 17836 |
7 | 69972 |
8 | 271313 |
9 | 1044435 |
10 | 4002467 |
11 | 15294370 |
12 | 58337097 |
13 | 222255768 |
14 | 846131608 |
15 | 3219700183 |
16 | 12247849145 |
17 | 46582062709 |
18 | 177142452214 |
19 | 673583231587 |
20 | 2561162729076 |
21 | 9737971026812 |
22 | 37024601601729 |
[7,49,245,1078,4459,17836,69972,271313,1044435, 4002467,15294370,58337097,222255768,846131608, 3219700183,12247849145,46582062709,177142452214, 673583231587,2561162729076,9737971026812, 37024601601729] |