n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 23 |
3 | 241 |
4 | 505 |
5 | 5291 |
6 | 11087 |
7 | 116161 |
8 | 243409 |
9 | 2550251 |
10 | 5343911 |
11 | 55989361 |
12 | 117322633 |
13 | 1229215691 |
14 | 2575754015 |
15 | 26986755841 |
16 | 56549265697 |
17 | 592479412811 |
18 | 1241508091319 |
19 | 13007560326001 |
[1,11,23,241,505,5291,11087,116161,243409,2550251, 5343911,55989361,117322633,1229215691,2575754015, 26986755841,56549265697,592479412811, 1241508091319,13007560326001] |