A284584 - cp's OEIS frontend

A284584 a(1) = 0; for n > 1, if n is not squarefree, then a(n) = A057627(n), otherwise a(n) = A013928(n).

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	4
7	5
8	2
9	3
10	6
11	7
12	4
13	8
14	9
15	10
16	5
17	11
18	6
19	12
20	7
21	13
22	14
23	15
24	8
25	9
26	16
27	10
28	11
29	17
30	18
31	19
32	12
33	20
34	21
35	22
36	13
37	23
38	24
39	25
40	14
41	26
42	27
43	28
44	15
45	16
46	29
47	30
48	17
49	18
50	19
51	31
52	20
53	32
54	21
55	33
56	22
57	34
58	35
59	36
60	23
61	37
62	38
63	24
64	25
65	39
66	40
67	41
68	26
69	42
70	43
71	44
72	27
73	45
74	46
75	28
76	29
77	47
78	48
79	49
80	30
81	31
82	50
83	51
84	32
85	52
86	53
87	54
88	33
89	55
90	34
91	56
92	35
93	57
94	58
95	59
96	36

[0, 1, 2, 1, 3, 4, 5, 2, 3, 6, 7, 4, 8, 9, 10, 5, 11, 6, 12, 7, 13, 14, 15, 8, 9, 16, 10, 11, 17, 18, 19, 12, 20, 21, 22, 13, 23, 24, 25, 14, 26, 27, 28, 15, 16, 29, 30, 17, 18, 19, 31, 20, 32, 21, 33, 22, 34, 35, 36, 23, 37, 38, 24, 25, 39, 40, 41, 26, 42, 43, 44, 27, 45, 46, 28, 29, 47, 48, 49, 30, 31, 50, 51, 32, 52, 53, 54, 33, 55, 34, 56, 35, 57, 58, 59, 36]

cp's OEIS Frontend

A284584 a(1) = 0; for n > 1, if n is not squarefree, then a(n) = A057627(n), otherwise a(n) = A013928(n).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	4
7	5
8	2
9	3
10	6
11	7
12	4
13	8
14	9
15	10
16	5
17	11
18	6
19	12
20	7
21	13
22	14
23	15
24	8
25	9
26	16
27	10
28	11
29	17
30	18
31	19
32	12
33	20
34	21
35	22
36	13
37	23
38	24
39	25
40	14
41	26
42	27
43	28
44	15
45	16
46	29
47	30
48	17
49	18
50	19
51	31
52	20
53	32
54	21
55	33
56	22
57	34
58	35
59	36
60	23
61	37
62	38
63	24
64	25
65	39
66	40
67	41
68	26
69	42
70	43
71	44
72	27
73	45
74	46
75	28
76	29
77	47
78	48
79	49
80	30
81	31
82	50
83	51
84	32
85	52
86	53
87	54
88	33
89	55
90	34
91	56
92	35
93	57
94	58
95	59
96	36

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	4
7	5
8	2
9	3
10	6
11	7
12	4
13	8
14	9
15	10
16	5
17	11
18	6
19	12
20	7
21	13
22	14
23	15
24	8
25	9
26	16
27	10
28	11
29	17
30	18
31	19
32	12
33	20
34	21
35	22
36	13
37	23
38	24
39	25
40	14
41	26
42	27
43	28
44	15
45	16
46	29
47	30
48	17
49	18
50	19
51	31
52	20
53	32
54	21
55	33
56	22
57	34
58	35
59	36
60	23
61	37
62	38
63	24
64	25
65	39
66	40
67	41
68	26
69	42
70	43
71	44
72	27
73	45
74	46
75	28
76	29
77	47
78	48
79	49
80	30
81	31
82	50
83	51
84	32
85	52
86	53
87	54
88	33
89	55
90	34
91	56
92	35
93	57
94	58
95	59
96	36

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	4
7	5
8	2
9	3
10	6
11	7
12	4
13	8
14	9
15	10
16	5
17	11
18	6
19	12
20	7
21	13
22	14
23	15
24	8
25	9
26	16
27	10
28	11
29	17
30	18
31	19
32	12
33	20
34	21
35	22
36	13
37	23
38	24
39	25
40	14
41	26
42	27
43	28
44	15
45	16
46	29
47	30
48	17
49	18
50	19
51	31
52	20
53	32
54	21
55	33
56	22
57	34
58	35
59	36
60	23
61	37
62	38
63	24
64	25
65	39
66	40
67	41
68	26
69	42
70	43
71	44
72	27
73	45
74	46
75	28
76	29
77	47
78	48
79	49
80	30
81	31
82	50
83	51
84	32
85	52
86	53
87	54
88	33
89	55
90	34
91	56
92	35
93	57
94	58
95	59
96	36