1 1
2 4
3 6
4 8
5 10
6 12
7 17
8 20
9 31
10 34
11 52
12 85
13 92
14 555
15 1723
16 2870
17 2904
18 3943
19 19325
20 41708
21 145474
22 225476
23 240632
24 666862
25 8911645
26 10249751
27 138543006
28 209659550
29 265831784
30 540388470
31 949428097
32 2813155218
33 12323589092
34 407224380494
35 1704233306223
36 3361207818001