n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 46 |
5 | 145 |
6 | 641 |
7 | 2275 |
8 | 10330 |
9 | 38683 |
10 | 179077 |
11 | 698969 |
12 | 3277788 |
13 | 13154295 |
14 | 62279600 |
15 | 255360623 |
16 | 1217775810 |
17 | 5076594445 |
18 | 24346635475 |
19 | 102858261727 |
20 | 495528611722 |
21 | 2116511750627 |
22 | 10234179952692 |
23 | 44114208093693 |
24 | 213964420670390 |
25 | 929479716561285 |
26 | 4519843635303271 |
27 | 19766146842430959 |
[1,1,4,11,46,145,641,2275,10330,38683,179077, 698969,3277788,13154295,62279600,255360623, 1217775810,5076594445,24346635475,102858261727, 495528611722,2116511750627,10234179952692, 44114208093693,213964420670390,929479716561285, 4519843635303271,19766146842430959] |