n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 43 |
4 | 409 |
5 | 4441 |
6 | 58351 |
7 | 872467 |
8 | 14776273 |
9 | 278033329 |
10 | 5759752951 |
11 | 130094213371 |
12 | 3181051122217 |
13 | 83674165333513 |
14 | 2355245699211679 |
15 | 70617410638402531 |
16 | 2246412316372784161 |
17 | 75551901666095113057 |
18 | 2678119105038094325863 |
19 | 99778611508176786458059 |
20 | 3897493112463397722989881 |
[1,1,7,43,409,4441,58351,872467,14776273, 278033329,5759752951,130094213371,3181051122217, 83674165333513,2355245699211679,70617410638402531, 2246412316372784161,75551901666095113057, 2678119105038094325863,99778611508176786458059, 3897493112463397722989881] |