n | a(n) |
---|---|
30 | 1 |
31 | 18 |
32 | 93 |
33 | 431 |
34 | 1664 |
35 | 5982 |
36 | 20059 |
37 | 64473 |
38 | 199450 |
39 | 600429 |
40 | 1765198 |
41 | 5093281 |
42 | 14461282 |
43 | 40514663 |
44 | 112199665 |
45 | 307665178 |
46 | 836401955 |
47 | 2256766751 |
48 | 6048944297 |
49 | 16118777953 |
50 | 42729253427 |
51 | 112746836489 |
52 | 296263589093 |
53 | 775585850534 |
54 | 2023567436543 |
55 | 5263578982246 |
[1,18,93,431,1664,5982,20059,64473,199450,600429, 1765198,5093281,14461282,40514663,112199665, 307665178,836401955,2256766751,6048944297, 16118777953,42729253427,112746836489,296263589093, 775585850534,2023567436543,5263578982246] |