A051215 - OEIS

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A051215 as a simple table

n	a(n)
1	0
2	1
3	3
4	4
5	7
6	12
7	15
8	16
9	28
10	31
11	39
12	48
13	55
14	60
15	63
16	64
17	87
18	112
19	124
20	127
21	135
22	156
23	175
24	183
25	192
26	207
27	220
28	231
29	240
30	247
31	252
32	255
33	256
34	295
35	348
36	375
37	399
38	448
39	495
40	496
41	508
42	511
43	540
44	583
45	615
46	624
47	663
48	700
49	732
50	735
51	759
52	768
53	799
54	828
55	847
56	855
57	880

[0,1,3,4,7,12,15,16,28,31,39,48,55,60,63,64,87, 112,124,127,135,156,175,183,192,207,220,231,240, 247,252,255,256,295,348,375,399,448,495,496,508, 511,540,583,615,624,663,700,732,735,759,768,799, 828,847,855,880]

n	a(n)
1	0
2	1
3	3
4	4
5	7
6	12
7	15
8	16
9	28
10	31
11	39
12	48
13	55
14	60
15	63
16	64
17	87
18	112
19	124
20	127
21	135
22	156
23	175
24	183
25	192
26	207
27	220
28	231
29	240
30	247
31	252
32	255
33	256
34	295
35	348
36	375
37	399
38	448
39	495
40	496
41	508
42	511
43	540
44	583
45	615
46	624
47	663
48	700
49	732
50	735
51	759
52	768
53	799
54	828
55	847
56	855
57	880

n	a(n)
1	0
2	1
3	3
4	4
5	7
6	12
7	15
8	16
9	28
10	31
11	39
12	48
13	55
14	60
15	63
16	64
17	87
18	112
19	124
20	127
21	135
22	156
23	175
24	183
25	192
26	207
27	220
28	231
29	240
30	247
31	252
32	255
33	256
34	295
35	348
36	375
37	399
38	448
39	495
40	496
41	508
42	511
43	540
44	583
45	615
46	624
47	663
48	700
49	732
50	735
51	759
52	768
53	799
54	828
55	847
56	855
57	880

n	a(n)
1	0
2	1
3	3
4	4
5	7
6	12
7	15
8	16
9	28
10	31
11	39
12	48
13	55
14	60
15	63
16	64
17	87
18	112
19	124
20	127
21	135
22	156
23	175
24	183
25	192
26	207
27	220
28	231
29	240
30	247
31	252
32	255
33	256
34	295
35	348
36	375
37	399
38	448
39	495
40	496
41	508
42	511
43	540
44	583
45	615
46	624
47	663
48	700
49	732
50	735
51	759
52	768
53	799
54	828
55	847
56	855
57	880