n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 42 |
6 | 130 |
7 | 415 |
8 | 1365 |
9 | 4592 |
10 | 15727 |
11 | 54593 |
12 | 191610 |
13 | 679420 |
14 | 2430721 |
15 | 8763775 |
16 | 31807636 |
17 | 116106836 |
18 | 426029867 |
19 | 1570602958 |
20 | 5814799002 |
21 | 21610381589 |
22 | 80590043893 |
23 | 301484592756 |
24 | 1131111868525 |
25 | 4255026611884 |
26 | 16045919249512 |
27 | 60646837901675 |
28 | 229700320188818 |
29 | 871691280039250 |
30 | 3314013545656012 |
[1,1,2,5,14,42,130,415,1365,4592,15727,54593, 191610,679420,2430721,8763775,31807636,116106836, 426029867,1570602958,5814799002,21610381589, 80590043893,301484592756,1131111868525, 4255026611884,16045919249512,60646837901675, 229700320188818,871691280039250,3314013545656012] |