A045704 - OEIS

A045704 as a simple table

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	8
7	9
8	10
9	12
10	17
11	25
12	26
13	27
14	28
15	31
16	33
17	36
18	52
19	64
20	65
21	72
22	91
23	125
24	126
25	129
26	134
27	150
28	169
29	170
30	177
31	189
32	196
33	294
34	441
35	442
36	449
37	468
38	512
39	513
40	516
41	521
42	537
43	566
44	576
45	681
46	953
47	1156
48	1157
49	1164
50	1183
51	1281
52	1668
53	2197
54	2198
55	2201
56	2206

[0,1,2,4,5,8,9,10,12,17,25,26,27,28,31,33,36,52, 64,65,72,91,125,126,129,134,150,169,170,177,189, 196,294,441,442,449,468,512,513,516,521,537,566, 576,681,953,1156,1157,1164,1183,1281,1668,2197, 2198,2201,2206]