n | a(n) |
---|---|
1 | 3 |
2 | 23 |
3 | 150 |
4 | 969 |
5 | 7172 |
6 | 50864 |
7 | 367813 |
8 | 2646379 |
9 | 19073997 |
10 | 137434440 |
11 | 990411767 |
12 | 7137038938 |
13 | 51431455178 |
14 | 370627617651 |
15 | 2670838531897 |
16 | 19246742767269 |
17 | 138696965305604 |
18 | 999485868248461 |
19 | 7202551374117304 |
20 | 51903431296093738 |
[3,23,150,969,7172,50864,367813,2646379,19073997, 137434440,990411767,7137038938,51431455178, 370627617651,2670838531897,19246742767269, 138696965305604,999485868248461,7202551374117304, 51903431296093738] |