A082377 - cp's OEIS frontend

A082377 Numbers k such that rad(k) - phi(k) <= 1, where rad = A007947 and phi = A000010.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	18
14	19
15	23
16	24
17	25
18	27
19	29
20	31
21	32
22	36
23	37
24	40
25	41
26	43
27	45
28	47
29	48
30	49
31	50
32	53
33	54
34	56
35	59
36	61
37	63
38	64
39	67
40	71
41	72
42	73
43	75
44	79
45	80
46	81
47	83
48	88
49	89
50	96
51	97
52	98
53	99
54	100
55	101
56	103
57	104
58	107
59	108
60	109
61	112
62	113
63	117
64	120
65	121
66	125
67	127

[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 18, 19, 23, 24, 25, 27, 29, 31, 32, 36, 37, 40, 41, 43, 45, 47, 48, 49, 50, 53, 54, 56, 59, 61, 63, 64, 67, 71, 72, 73, 75, 79, 80, 81, 83, 88, 89, 96, 97, 98, 99, 100, 101, 103, 104, 107, 108, 109, 112, 113, 117, 120, 121, 125, 127]

cp's OEIS Frontend

A082377 Numbers k such that rad(k) - phi(k) <= 1, where rad = A007947 and phi = A000010.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	18
14	19
15	23
16	24
17	25
18	27
19	29
20	31
21	32
22	36
23	37
24	40
25	41
26	43
27	45
28	47
29	48
30	49
31	50
32	53
33	54
34	56
35	59
36	61
37	63
38	64
39	67
40	71
41	72
42	73
43	75
44	79
45	80
46	81
47	83
48	88
49	89
50	96
51	97
52	98
53	99
54	100
55	101
56	103
57	104
58	107
59	108
60	109
61	112
62	113
63	117
64	120
65	121
66	125
67	127

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	18
14	19
15	23
16	24
17	25
18	27
19	29
20	31
21	32
22	36
23	37
24	40
25	41
26	43
27	45
28	47
29	48
30	49
31	50
32	53
33	54
34	56
35	59
36	61
37	63
38	64
39	67
40	71
41	72
42	73
43	75
44	79
45	80
46	81
47	83
48	88
49	89
50	96
51	97
52	98
53	99
54	100
55	101
56	103
57	104
58	107
59	108
60	109
61	112
62	113
63	117
64	120
65	121
66	125
67	127

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	18
14	19
15	23
16	24
17	25
18	27
19	29
20	31
21	32
22	36
23	37
24	40
25	41
26	43
27	45
28	47
29	48
30	49
31	50
32	53
33	54
34	56
35	59
36	61
37	63
38	64
39	67
40	71
41	72
42	73
43	75
44	79
45	80
46	81
47	83
48	88
49	89
50	96
51	97
52	98
53	99
54	100
55	101
56	103
57	104
58	107
59	108
60	109
61	112
62	113
63	117
64	120
65	121
66	125
67	127