A055170 - OEIS

A055170 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	9
9	7
10	11
11	8
12	13
13	17
14	10
15	19
16	21
17	15
18	12
19	23
20	26
21	20
22	14
23	16
24	28
25	22
26	32
27	24
28	35
29	27
30	18
31	38
32	30
33	25
34	41
35	34
36	29
37	44
38	31
39	48
40	50
41	46
42	36
43	52
44	39
45	42
46	56
47	37
48	60
49	54
50	47
51	33
52	63
53	58
54	40
55	43
56	68
57	53
58	45
59	72
60	65
61	76
62	55
63	61
64	51

[0,1,2,3,4,5,6,9,7,11,8,13,17,10,19,21,15,12,23, 26,20,14,16,28,22,32,24,35,27,18,38,30,25,41,34, 29,44,31,48,50,46,36,52,39,42,56,37,60,54,47,33, 63,58,40,43,68,53,45,72,65,76,55,61,51]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	9
9	7
10	11
11	8
12	13
13	17
14	10
15	19
16	21
17	15
18	12
19	23
20	26
21	20
22	14
23	16
24	28
25	22
26	32
27	24
28	35
29	27
30	18
31	38
32	30
33	25
34	41
35	34
36	29
37	44
38	31
39	48
40	50
41	46
42	36
43	52
44	39
45	42
46	56
47	37
48	60
49	54
50	47
51	33
52	63
53	58
54	40
55	43
56	68
57	53
58	45
59	72
60	65
61	76
62	55
63	61
64	51

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	9
9	7
10	11
11	8
12	13
13	17
14	10
15	19
16	21
17	15
18	12
19	23
20	26
21	20
22	14
23	16
24	28
25	22
26	32
27	24
28	35
29	27
30	18
31	38
32	30
33	25
34	41
35	34
36	29
37	44
38	31
39	48
40	50
41	46
42	36
43	52
44	39
45	42
46	56
47	37
48	60
49	54
50	47
51	33
52	63
53	58
54	40
55	43
56	68
57	53
58	45
59	72
60	65
61	76
62	55
63	61
64	51

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	9
9	7
10	11
11	8
12	13
13	17
14	10
15	19
16	21
17	15
18	12
19	23
20	26
21	20
22	14
23	16
24	28
25	22
26	32
27	24
28	35
29	27
30	18
31	38
32	30
33	25
34	41
35	34
36	29
37	44
38	31
39	48
40	50
41	46
42	36
43	52
44	39
45	42
46	56
47	37
48	60
49	54
50	47
51	33
52	63
53	58
54	40
55	43
56	68
57	53
58	45
59	72
60	65
61	76
62	55
63	61
64	51