A286590 - OEIS

A286590 as a simple table

n	a(n)
1	1
2	3
3	9
4	21
5	33
6	45
7	81
8	153
9	165
10	201
11	393
12	405
13	441
14	645
15	873
16	885
17	921
18	1113
19	1125
20	1161
21	1365
22	2313
23	2565
24	3765
25	4005
26	5913
27	5925
28	5961
29	6153
30	6165
31	6201
32	6405
33	7353
34	7641
35	8805
36	9045
37	15993
38	16281
39	17433
40	26085
41	26325
42	36393
43	36645
44	46233
45	46245
46	46281
47	46473
48	46485
49	46521
50	46725
51	47673

[1,3,9,21,33,45,81,153,165,201,393,405,441,645, 873,885,921,1113,1125,1161,1365,2313,2565,3765, 4005,5913,5925,5961,6153,6165,6201,6405,7353,7641, 8805,9045,15993,16281,17433,26085,26325,36393, 36645,46233,46245,46281,46473,46485,46521,46725, 47673]