n | a(n) |
---|---|
1 | 883 |
2 | 1528 |
3 | 7680 |
4 | 25690 |
5 | 82766 |
6 | 253264 |
7 | 971381 |
8 | 2901724 |
9 | 10470430 |
10 | 32212024 |
11 | 118158061 |
12 | 357207408 |
13 | 1307239067 |
14 | 3983812562 |
15 | 14565958591 |
16 | 44252940160 |
17 | 161970281879 |
18 | 492560981246 |
19 | 1801700119918 |
20 | 5477908769440 |
21 | 20043051801535 |
[883,1528,7680,25690,82766,253264,971381,2901724, 10470430,32212024,118158061,357207408,1307239067, 3983812562,14565958591,44252940160,161970281879, 492560981246,1801700119918,5477908769440, 20043051801535] |