n | a(n) |
---|---|
1 | 242 |
2 | 491 |
3 | 1052 |
4 | 2597 |
5 | 6650 |
6 | 18701 |
7 | 53948 |
8 | 165929 |
9 | 520322 |
10 | 1709981 |
11 | 5706212 |
12 | 19735097 |
13 | 69075290 |
14 | 248513021 |
15 | 902117708 |
16 | 3343884089 |
17 | 12473559602 |
18 | 47261525021 |
19 | 179833241972 |
20 | 692191519097 |
21 | 2671565177930 |
22 | 10398142103741 |
[242,491,1052,2597,6650,18701,53948,165929,520322, 1709981,5706212,19735097,69075290,248513021, 902117708,3343884089,12473559602,47261525021, 179833241972,692191519097,2671565177930, 10398142103741] |