A096997 - cp's OEIS frontend

A096997 If the function f(x) = sigma(phi(x)) = A062402(x) is iterated starting from these listed values, then the starting value never returns. These are the transient terms of this iteration; they never occur in terminal cycles.

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

[2, 4, 5, 6, 8, 9, 10, 11, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80]

cp's OEIS Frontend

A096997 If the function f(x) = sigma(phi(x)) = A062402(x) is iterated starting from these listed values, then the starting value never returns. These are the transient terms of this iteration; they never occur in terminal cycles.

Table of values

List of values

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

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

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