A342011 - cp's OEIS frontend

A342011 Lexicographically earliest infinite sequence such that a(i) = a(j) => f(i) = f(j), for all i, j >= 1, with f(1) = 2 and f(n) = A004490(n)/A004490(n-1) when n > 1, where A004490(n) is the n-th colossally abundant number.

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

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

cp's OEIS Frontend

A342011 Lexicographically earliest infinite sequence such that a(i) = a(j) => f(i) = f(j), for all i, j >= 1, with f(1) = 2 and f(n) = A004490(n)/A004490(n-1) when n > 1, where A004490(n) is the n-th colossally abundant number.

Table of values

List of values

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

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

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