n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 27 |
5 | 169 |
6 | 1217 |
7 | 9939 |
8 | 90871 |
9 | 920069 |
10 | 10222989 |
11 | 123698167 |
12 | 1619321459 |
13 | 22805443881 |
14 | 343835923129 |
15 | 5525934478859 |
16 | 94309281772527 |
17 | 1703461402016269 |
18 | 32465970250192421 |
19 | 651123070017747999 |
20 | 13707854105636799979 |
[1,1,5,27,169,1217,9939,90871,920069,10222989, 123698167,1619321459,22805443881,343835923129, 5525934478859,94309281772527,1703461402016269, 32465970250192421,651123070017747999, 13707854105636799979] |