n | a(n) |
---|---|
0 | 1 |
1 | 21 |
2 | 259 |
3 | 2709 |
4 | 32627 |
5 | 401401 |
6 | 5043115 |
7 | 64108009 |
8 | 821245795 |
9 | 10571373945 |
10 | 136492942139 |
11 | 1765686281633 |
12 | 22868116742483 |
13 | 296391829451401 |
14 | 3843261172758763 |
15 | 49848967431027409 |
16 | 646678407486881219 |
[1,21,259,2709,32627,401401,5043115,64108009, 821245795,10571373945,136492942139,1765686281633, 22868116742483,296391829451401,3843261172758763, 49848967431027409,646678407486881219] |