A322807 - cp's OEIS frontend

A322807 Lexicographically earliest such sequence a that a(i) = a(j) => f(i) = f(j) for all i, j, where f(n) = -1 if n is an odd prime, and f(n) = A285330(n) for all other numbers.

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	5
7	3
8	6
9	5
10	7
11	3
12	8
13	3
14	9
15	8
16	10
17	3
18	11
19	3
20	12
21	12
22	13
23	3
24	14
25	7
26	15
27	9
28	16
29	3
30	17
31	3
32	18
33	14
34	19
35	11
36	20
37	3
38	21
39	22
40	23
41	3
42	24
43	3
44	25
45	26
46	27
47	3
48	28
49	17
50	29
51	30
52	31
53	3
54	32
55	23
56	33
57	34
58	35
59	3
60	36
61	3
62	37
63	38
64	39
65	28
66	40
67	3
68	22
69	41
70	42
71	3
72	43
73	3
74	44
75	45
76	46
77	20
78	47
79	3
80	48
81	49
82	50
83	3
84	51
85	52
86	53
87	54
88	55
89	3
90	56
91	29
92	57
93	58
94	59
95	60
96	61
97	3
98	62
99	15

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

cp's OEIS Frontend

A322807 Lexicographically earliest such sequence a that a(i) = a(j) => f(i) = f(j) for all i, j, where f(n) = -1 if n is an odd prime, and f(n) = A285330(n) for all other numbers.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	5
7	3
8	6
9	5
10	7
11	3
12	8
13	3
14	9
15	8
16	10
17	3
18	11
19	3
20	12
21	12
22	13
23	3
24	14
25	7
26	15
27	9
28	16
29	3
30	17
31	3
32	18
33	14
34	19
35	11
36	20
37	3
38	21
39	22
40	23
41	3
42	24
43	3
44	25
45	26
46	27
47	3
48	28
49	17
50	29
51	30
52	31
53	3
54	32
55	23
56	33
57	34
58	35
59	3
60	36
61	3
62	37
63	38
64	39
65	28
66	40
67	3
68	22
69	41
70	42
71	3
72	43
73	3
74	44
75	45
76	46
77	20
78	47
79	3
80	48
81	49
82	50
83	3
84	51
85	52
86	53
87	54
88	55
89	3
90	56
91	29
92	57
93	58
94	59
95	60
96	61
97	3
98	62
99	15

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	5
7	3
8	6
9	5
10	7
11	3
12	8
13	3
14	9
15	8
16	10
17	3
18	11
19	3
20	12
21	12
22	13
23	3
24	14
25	7
26	15
27	9
28	16
29	3
30	17
31	3
32	18
33	14
34	19
35	11
36	20
37	3
38	21
39	22
40	23
41	3
42	24
43	3
44	25
45	26
46	27
47	3
48	28
49	17
50	29
51	30
52	31
53	3
54	32
55	23
56	33
57	34
58	35
59	3
60	36
61	3
62	37
63	38
64	39
65	28
66	40
67	3
68	22
69	41
70	42
71	3
72	43
73	3
74	44
75	45
76	46
77	20
78	47
79	3
80	48
81	49
82	50
83	3
84	51
85	52
86	53
87	54
88	55
89	3
90	56
91	29
92	57
93	58
94	59
95	60
96	61
97	3
98	62
99	15

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	5
7	3
8	6
9	5
10	7
11	3
12	8
13	3
14	9
15	8
16	10
17	3
18	11
19	3
20	12
21	12
22	13
23	3
24	14
25	7
26	15
27	9
28	16
29	3
30	17
31	3
32	18
33	14
34	19
35	11
36	20
37	3
38	21
39	22
40	23
41	3
42	24
43	3
44	25
45	26
46	27
47	3
48	28
49	17
50	29
51	30
52	31
53	3
54	32
55	23
56	33
57	34
58	35
59	3
60	36
61	3
62	37
63	38
64	39
65	28
66	40
67	3
68	22
69	41
70	42
71	3
72	43
73	3
74	44
75	45
76	46
77	20
78	47
79	3
80	48
81	49
82	50
83	3
84	51
85	52
86	53
87	54
88	55
89	3
90	56
91	29
92	57
93	58
94	59
95	60
96	61
97	3
98	62
99	15