n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 27 |
5 | 194 |
6 | 2180 |
7 | 6292 |
8 | 32235 |
9 | 340706 |
10 | 8923824 |
11 | 27260408 |
12 | 178494888 |
13 | 1143651456 |
14 | 18358542488 |
15 | 920187284252 |
16 | 3190427876155 |
17 | 22452876941634 |
18 | 154193186847608 |
19 | 1427331360177616 |
20 | 30063060295205628 |
[1,1,3,14,27,194,2180,6292,32235,340706,8923824, 27260408,178494888,1143651456,18358542488, 920187284252,3190427876155,22452876941634, 154193186847608,1427331360177616, 30063060295205628] |