A000712 - OEIS

A000712 as a simple table

n	a(n)
0	1
1	2
2	5
3	10
4	20
5	36
6	65
7	110
8	185
9	300
10	481
11	752
12	1165
13	1770
14	2665
15	3956
16	5822
17	8470
18	12230
19	17490
20	24842
21	35002
22	49010
23	68150
24	94235
25	129512
26	177087
27	240840
28	326015
29	439190
30	589128
31	786814
32	1046705
33	1386930
34	1831065
35	2408658
36	3157789
37	4126070
38	5374390

[1,2,5,10,20,36,65,110,185,300,481,752,1165,1770, 2665,3956,5822,8470,12230,17490,24842,35002,49010, 68150,94235,129512,177087,240840,326015,439190, 589128,786814,1046705,1386930,1831065,2408658, 3157789,4126070,5374390]