n | a(n) |
---|---|
1 | 13 |
2 | 57 |
3 | 377 |
4 | 1975 |
5 | 11385 |
6 | 61755 |
7 | 343035 |
8 | 1872913 |
9 | 10288475 |
10 | 56225061 |
11 | 307755285 |
12 | 1681755047 |
13 | 9194060283 |
14 | 50235380141 |
15 | 274514218163 |
16 | 1499800424044 |
17 | 8194423899045 |
18 | 44768307376625 |
19 | 244584423489933 |
20 | 1336207363455509 |
[13,57,377,1975,11385,61755,343035,1872913, 10288475,56225061,307755285,1681755047,9194060283, 50235380141,274514218163,1499800424044, 8194423899045,44768307376625,244584423489933, 1336207363455509] |