n | a(n) |
---|---|
1 | 0 |
2 | 7 |
3 | 44 |
4 | 299 |
5 | 1940 |
6 | 13549 |
7 | 99987 |
8 | 768752 |
9 | 6089791 |
10 | 49392723 |
11 | 408550278 |
12 | 3435528229 |
13 | 29289695650 |
14 | 252672394234 |
15 | 2201981901415 |
16 | 19360330918473 |
17 | 171550299264139 |
18 | 1530609037414453 |
[0,7,44,299,1940,13549,99987,768752,6089791, 49392723,408550278,3435528229,29289695650, 252672394234,2201981901415,19360330918473, 171550299264139,1530609037414453] |