A331307 - cp's OEIS frontend

A331307 Lexicographically earliest infinite sequence such that for all i, j: a(i) = a(j) => f(i) = f(j), where f(n) = A285722(n), except f(1) = -1.

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	5
9	3
10	7
11	8
12	9
13	4
14	9
15	10
16	11
17	12
18	7
19	6
20	13
21	14
22	15
23	16
24	13
25	4
26	12
27	17
28	18
29	19
30	20
31	21
32	10
33	8
34	21
35	22
36	23
37	24
38	25
39	26
40	17
41	4
42	16
43	27
44	28
45	29
46	30
47	31
48	32
49	27
50	14
51	11
52	26
53	33
54	34
55	35
56	36
57	37
58	38
59	39
60	22
61	4
62	20
63	39
64	40
65	41
66	42
67	43
68	44
69	45
70	46
71	33
72	18
73	15
74	32
75	47
76	48
77	49
78	50
79	51
80	52
81	53
82	54
83	47
84	28
85	4
86	25
87	46
88	55
89	56
90	57
91	58
92	59
93	60
94	61
95	62
96	63
97	40
98	23
99	19
100	38

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

cp's OEIS Frontend

A331307 Lexicographically earliest infinite sequence such that for all i, j: a(i) = a(j) => f(i) = f(j), where f(n) = A285722(n), except f(1) = -1.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	5
9	3
10	7
11	8
12	9
13	4
14	9
15	10
16	11
17	12
18	7
19	6
20	13
21	14
22	15
23	16
24	13
25	4
26	12
27	17
28	18
29	19
30	20
31	21
32	10
33	8
34	21
35	22
36	23
37	24
38	25
39	26
40	17
41	4
42	16
43	27
44	28
45	29
46	30
47	31
48	32
49	27
50	14
51	11
52	26
53	33
54	34
55	35
56	36
57	37
58	38
59	39
60	22
61	4
62	20
63	39
64	40
65	41
66	42
67	43
68	44
69	45
70	46
71	33
72	18
73	15
74	32
75	47
76	48
77	49
78	50
79	51
80	52
81	53
82	54
83	47
84	28
85	4
86	25
87	46
88	55
89	56
90	57
91	58
92	59
93	60
94	61
95	62
96	63
97	40
98	23
99	19
100	38

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	5
9	3
10	7
11	8
12	9
13	4
14	9
15	10
16	11
17	12
18	7
19	6
20	13
21	14
22	15
23	16
24	13
25	4
26	12
27	17
28	18
29	19
30	20
31	21
32	10
33	8
34	21
35	22
36	23
37	24
38	25
39	26
40	17
41	4
42	16
43	27
44	28
45	29
46	30
47	31
48	32
49	27
50	14
51	11
52	26
53	33
54	34
55	35
56	36
57	37
58	38
59	39
60	22
61	4
62	20
63	39
64	40
65	41
66	42
67	43
68	44
69	45
70	46
71	33
72	18
73	15
74	32
75	47
76	48
77	49
78	50
79	51
80	52
81	53
82	54
83	47
84	28
85	4
86	25
87	46
88	55
89	56
90	57
91	58
92	59
93	60
94	61
95	62
96	63
97	40
98	23
99	19
100	38

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	5
9	3
10	7
11	8
12	9
13	4
14	9
15	10
16	11
17	12
18	7
19	6
20	13
21	14
22	15
23	16
24	13
25	4
26	12
27	17
28	18
29	19
30	20
31	21
32	10
33	8
34	21
35	22
36	23
37	24
38	25
39	26
40	17
41	4
42	16
43	27
44	28
45	29
46	30
47	31
48	32
49	27
50	14
51	11
52	26
53	33
54	34
55	35
56	36
57	37
58	38
59	39
60	22
61	4
62	20
63	39
64	40
65	41
66	42
67	43
68	44
69	45
70	46
71	33
72	18
73	15
74	32
75	47
76	48
77	49
78	50
79	51
80	52
81	53
82	54
83	47
84	28
85	4
86	25
87	46
88	55
89	56
90	57
91	58
92	59
93	60
94	61
95	62
96	63
97	40
98	23
99	19
100	38