A058812 - cp's OEIS frontend

A058812 Irregular triangle of rows of numbers in increasing order. Row 1 = {1}. Row m + 1 contains all numbers k such that phi(k) is in row m.

n	a(n)
0	1
1	2
2	3
3	4
4	6
5	5
6	7
7	8
8	9
9	10
10	12
11	14
12	18
13	11
14	13
15	15
16	16
17	19
18	20
19	21
20	22
21	24
22	26
23	27
24	28
25	30
26	36
27	38
28	42
29	54
30	17
31	23
32	25
33	29
34	31
35	32
36	33
37	34
38	35
39	37
40	39
41	40
42	43
43	44
44	45
45	46
46	48
47	49
48	50
49	52
50	56
51	57
52	58
53	60
54	62
55	63
56	66
57	70
58	72
59	74
60	76
61	78
62	81
63	84
64	86
65	90
66	98
67	108
68	114
69	126

[1, 2, 3, 4, 6, 5, 7, 8, 9, 10, 12, 14, 18, 11, 13, 15, 16, 19, 20, 21, 22, 24, 26, 27, 28, 30, 36, 38, 42, 54, 17, 23, 25, 29, 31, 32, 33, 34, 35, 37, 39, 40, 43, 44, 45, 46, 48, 49, 50, 52, 56, 57, 58, 60, 62, 63, 66, 70, 72, 74, 76, 78, 81, 84, 86, 90, 98, 108, 114, 126]

cp's OEIS Frontend

A058812 Irregular triangle of rows of numbers in increasing order. Row 1 = {1}. Row m + 1 contains all numbers k such that phi(k) is in row m.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	4
4	6
5	5
6	7
7	8
8	9
9	10
10	12
11	14
12	18
13	11
14	13
15	15
16	16
17	19
18	20
19	21
20	22
21	24
22	26
23	27
24	28
25	30
26	36
27	38
28	42
29	54
30	17
31	23
32	25
33	29
34	31
35	32
36	33
37	34
38	35
39	37
40	39
41	40
42	43
43	44
44	45
45	46
46	48
47	49
48	50
49	52
50	56
51	57
52	58
53	60
54	62
55	63
56	66
57	70
58	72
59	74
60	76
61	78
62	81
63	84
64	86
65	90
66	98
67	108
68	114
69	126

n	a(n)
0	1
1	2
2	3
3	4
4	6
5	5
6	7
7	8
8	9
9	10
10	12
11	14
12	18
13	11
14	13
15	15
16	16
17	19
18	20
19	21
20	22
21	24
22	26
23	27
24	28
25	30
26	36
27	38
28	42
29	54
30	17
31	23
32	25
33	29
34	31
35	32
36	33
37	34
38	35
39	37
40	39
41	40
42	43
43	44
44	45
45	46
46	48
47	49
48	50
49	52
50	56
51	57
52	58
53	60
54	62
55	63
56	66
57	70
58	72
59	74
60	76
61	78
62	81
63	84
64	86
65	90
66	98
67	108
68	114
69	126

n	a(n)
0	1
1	2
2	3
3	4
4	6
5	5
6	7
7	8
8	9
9	10
10	12
11	14
12	18
13	11
14	13
15	15
16	16
17	19
18	20
19	21
20	22
21	24
22	26
23	27
24	28
25	30
26	36
27	38
28	42
29	54
30	17
31	23
32	25
33	29
34	31
35	32
36	33
37	34
38	35
39	37
40	39
41	40
42	43
43	44
44	45
45	46
46	48
47	49
48	50
49	52
50	56
51	57
52	58
53	60
54	62
55	63
56	66
57	70
58	72
59	74
60	76
61	78
62	81
63	84
64	86
65	90
66	98
67	108
68	114
69	126