A145535 - OEIS

A145535 as a simple table

n	a(n)
1	20159
2	6719
3	2687
4	1535
5	836
6	642
7	454
8	381
9	297
10	223
11	204
12	170
13	154
14	146
15	134
16	119
17	108
18	103
19	92
20	84
21	81
22	76
23	70
24	64
25	56
26	53
27	51
28	47
29	45
30	42
31	36
32	32
33	30
34	28
35	23
36	21
37	18
38	16
39	15
40	12
41	8
42	6
43	5
44	3
45	2
46	1

[20159,6719,2687,1535,836,642,454,381,297,223,204, 170,154,146,134,119,108,103,92,84,81,76,70,64,56, 53,51,47,45,42,36,32,30,28,23,21,18,16,15,12,8,6, 5,3,2,1]