n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 31 |
4 | 164 |
5 | 999 |
6 | 6841 |
7 | 51790 |
8 | 428131 |
9 | 3827967 |
10 | 36738144 |
11 | 376118747 |
12 | 4086419601 |
13 | 46910207114 |
14 | 566845074703 |
15 | 7186474088735 |
16 | 95318816501420 |
17 | 1319330556537631 |
18 | 19013488408858761 |
19 | 284724852032757686 |
20 | 4422344774431494155 |
21 | 71125541977466879231 |
[1,2,7,31,164,999,6841,51790,428131,3827967, 36738144,376118747,4086419601,46910207114, 566845074703,7186474088735,95318816501420, 1319330556537631,19013488408858761, 284724852032757686,4422344774431494155, 71125541977466879231] |