n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 25 |
4 | 253 |
5 | 3121 |
6 | 46651 |
7 | 823537 |
8 | 16777209 |
9 | 387420481 |
10 | 9999999991 |
11 | 285311670601 |
12 | 8916100448245 |
13 | 302875106592241 |
14 | 11112006825558003 |
15 | 437893890380859361 |
16 | 18446744073709551601 |
17 | 827240261886336764161 |
18 | 39346408075296537575407 |
19 | 1978419655660313589123961 |
[1,3,25,253,3121,46651,823537,16777209,387420481, 9999999991,285311670601,8916100448245, 302875106592241,11112006825558003, 437893890380859361,18446744073709551601, 827240261886336764161,39346408075296537575407, 1978419655660313589123961] |